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000-190 AIX Basic Operations V5

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000-190 exam Dumps Source : AIX Basic Operations V5

Test Code : 000-190
Test denomination : AIX Basic Operations V5
Vendor denomination : IBM
: 134 actual Questions

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IBM AIX Basic Operations V5

gadget core Operations manager 2007 R2 non-home windows OS aid | killexams.com actual Questions and Pass4sure dumps

Microsoft has announced currently that it has completed the travail concentrated on offering to valued clientele Cooperative Technical usher in collaboration with Linux supplier crimson Hat. Designed to boost abet alternate options for organizations operating heterogeneous IT environments, the Cooperative Technical abet streamlines the expend of windows Server platforms and red Hat traffic Linux with virtualization options from each companies. in addition, Microsoft has also labored to ensure that its IT infrastructure administration items embrace open-source software, together with Linux and UNIX operating programs, notably to support purchasers with mixed supply environments.

“Microsoft provides the methods management tools, via system headquarters suite, to manage actual and virtual IT programs and functions, together with non-windows utility corresponding to purple Hat traffic Linux. They upshot a world-category job of managing purple Hat traffic Linux, so purchasers can expend one pane of glass to control their legacy Unix and Linux environments in conjunction with their home windows Server environments,” revealed Mike Neil, commonplace manager of windows Server and Server Virtualization.

Microsoft has tweaked Operations manager 2007 R2 with a purpose to present aid for monitoring now not just its own utility, including home windows client and server structures, but additionally operating methods from HP, sun, purple Hat, Novell and IBM. furthermore, the traffic referred to, management packs can subsist organize from numerous partners corresponding to Novell, which allow it to extend the default monitoring and management capabilities to encompass methods running MySQL, and even Apache HTTP Server.

apart from home windows environments, “device core Operations supervisor 2007 R2 supports monitoring of here operating programs: HP-UX 11i v2 and v3 (PA-RISC and IA64); sun Solaris eight and 9 (SPARC) and Solaris 10 (SPARC and x86); red Hat commercial enterprise Linux 4 (x86/x64) and 5 (x86/x64) Server; Novell SUSE Linux commercial enterprise Server 9 (x86) and 10 SP1 (x86/x64); [and]IBM AIX v5.three and v6.1 (energy),” Neil referred to.

Microsoft gadget core Operations manager 2007 R2 assessment down load is attainable here.


What to know about the IBM information Governance Catalog | killexams.com actual Questions and Pass4sure dumps

The IBM InfoSphere suggestions Governance Catalog data governance device helps enterprises determine, shop and control IT and enterprise facts belongings which are elementary for daily operations. It provides a significant location for employees to gawk for and entry key statistics phrases and enterprise suggestions property that are up up to now and trustworthy.

The workflow-oriented data governance appliance offers users a system of edifice guidelines to ordain how an commercial enterprise's facts should subsist dealt with throughout every its channels. The tool's focal point is on supporting the enterprise groups which hold centered commonplace statistics requisites and the IT crew that as a result manages this records.

How does the application usher facts governance tasks?

at the core of counsel Governance Catalog is its records cataloging equipment. This enables corporations to build their statistics word list the usage of points for organising properties for governance policies and rules, as well as records classes, labels, terms and linked metadata. It also gives elements for outlining the relationships between policies and rules and classes and terms, making the administration of outmoded and fresh facts as intuitive as feasible.

categories, labels, phrases, and governance policies and guidelines, as neatly as the basic statistics hierarchy structure, will also subsist created and customized manually from the glossary construction characteristic. moreover, the suggestions Governance Catalog permits clients to effortlessly import present governance policies and guidelines, classes and labels the expend of its import wizard. These gadgets will also subsist imported in comma-separated values or extensible markup language format, or pulled from compatible IBM software akin to InfoSphere traffic word list and InfoSphere Metadata Asset manager.

users need to subsist assigned a workflow and safety position before they are able to entry the catalog. This roles-primarily based entry ensures that only applicable employees can create, entry and exploit facts assets approved to them. users can subsist assigned each workflow and protection roles. Workflow roles are given to users who can subsist establishing -- and later managing -- the a number of classes and terms inside the catalog. There are four workflow roles in the utility: editor, reviewer, approver and writer. users with workflow roles are supplied access to a developmental word list that permits them to preview and edit belongings earlier than they may subsist posted. best users with particular workflow roles can create, approve, edit, evaluation and attach up belongings organize in the thesaurus.

as soon as the glossary is operational, safety roles are given to clients who will access and interact with the facts assets inside the catalog. There are seven security roles within the utility, each and every with its personal keen access and editing expertise: thesaurus simple consumer, consumer, thesaurus author, glossary administrator, assistance asset creator, information asset administrator and tips asset assigner. additionally, the application provides a role for assigning facts stewards -- people or groups -- that can assist exploit statistics assets as soon as they're posted.

clients with protection roles hold access to the catalog by means of an internet browser, which enables them to attain stored statistics from anywhere they've information superhighway entry. they can also entry lineage experiences of records that allow them to graphically identify the status the statistics within the thesaurus originated, helping to multiply self assurance within the accuracy of the statistics. The latest version of information Governance Catalog, eleven.5 RUP1, also points features for facts classification, which helps clients determine for my share identifiable counsel or other exquisite information across multiple facts sets. The compliance reporting role lets organizations schedule, down load, distribute and archive custom lineage studies in PDF format.

Who merits from the usage of counsel Governance Catalog?

IBM's facts governance application will also subsist used with the aid of organizations of every sizes to create a centralized gear for storing and managing the data assets fundamental to creating their traffic prosper. a success facts governance involves attempting to find and gaining access to redress and professional data, however it hinges on the establishment of defined records policies, implementation instructions and common traffic vocabulary that originate managing the facts as effortless as viable.

How is the application licensed and priced?

information Governance Catalog is obtainable as on-premises utility with customer-server structure. It will also subsist deployed on AIX, Linux and windows server techniques, and clients can entry the software via the Microsoft cyber web Explorer or Mozilla Firefox internet browsers. Pricing is according to a server skill-based mostly processor cost unit size. as a result, posted pricing is unavailable, and people drawn to purchasing the utility should still contact IBM directly. There are three versions of the software attainable:

  • InfoSphere guidance Governance Catalog, which is most desirable applicable for medium-dimension to massive organizations.
  • InfoSphere suggestions Governance Catalog Workgroup, which is restricted to a optimum of 480 PVUs and 5 approved users, making it most desirable applicable for smaller corporations.
  • InfoSphere counsel Governance Catalog for statistics Warehousing, which is priced explicitly for expend with chummy statistics warehousing techniques comparable to IBM Netezza, IBM sheer statistics and Teradata.
  • A 12-month usher software is covered with tips Governance Catalog. additional abet may well subsist purchased from IBM. every cogent assist contracts additionally deliver access to available software enhancements throughout the constrict length. No ordeal is available, but IBM will deliver agencies with proof of view or a product demonstration before buy.


    constructing enormously-purchasable Apps With IBM Container carrier, Kubernetes, and Rancher 2.0 | killexams.com actual Questions and Pass4sure dumps

    here is the first in a four-part sequence on "constructing microservice statistics lakes with IBM Cloud." in this series, they will ascertain how one can expend IBM Cloud to deploy microservice applications, shop data generated by way of those microservices in IBM Cloud kick Storage, after which question across that data the usage of IBM Cloud SQL question.

    building an application within the cloud has certainly not been more convenient...or more durable...

    due to the fact that the starting of time (which in accordance with Unix is Jan 1, 1970), server-facet developers hold been attempting to find the holy grail of server-side development: a utility structure that scales infinitely, heals instantly, and is at every times obtainable.

    today, those dreams are generally achievable through the expend of Docker containers and Kubernetes clusters. developers can create functions that travail collectively as an ecosystem of microservices, which every role a selected function. These containers may also subsist became on and off to accommodate sudden spikes in server-aspect traffic, and fresh servers may also subsist introduced immediately and simply when the present cluster runs out of resources. The containers every hook up with each different the usage of a VPN that can span information facilities across varied regions every over the area, and containers may also subsist deploy to instantly delivery up on fresh servers when they're added.

    Of path, this every sounds terrific, but how does a developer attracted to leveraging this technology in reality expend it?

    in this article, we'll douse their toes within the water by means of growing an IBM managed Kubernetes cluster, and remove a gawk at how they will install purposes into that cluster the expend of Rancher 2.0.

    Let's pick up began...

    making a Kubernetes Cluster on IBM Cloud

    constructing a extremely-obtainable Kubernetes cluster is a challenge, even with the many tools available to builders for creating them. fortunately for builders working in the IBM Cloud, the IBM Cloud Kubernetes carrier provides a appliance for creating a working totally-purchasable Kubernetes cluster with simply just a few clicks.

    we are going to nascence by logging into the IBM Cloud dashboard at https://console.bluemix.web the usage of your IBM Cloud account. in case you upshot not already hold one, that you can register at https://ibm.com/cloud.

    you will create a brand fresh Kubernetes cluster by way of opening up the Catalog from the accurate navigation menu and typing kubernetes into the quest box.

    select the Containers in Kubernetes Clusters and you may subsist prompted to create your cluster. click on on the Create button to installation a fresh cluster.

    From the Create web page, that you can either try issues out with the Free plan, or you can spin up a production-ready cluster. From prerogative here you are going to additionally opt for the statistics middle vicinity you'll love to expend and, if you are deploying a creation-equipped cluster, how many worker nodes you'd want to have. in the event you're chuffed with the effects, give your cluster a reputation and click Create Cluster to birth the servers.

    once you click on Create Cluster, it will remove just a few moments on your cluster to conclude deploying. as the cluster is deploying, you're going to subsist redirected to the cluster deployment page. The entry tab contains a set of commands so that you can expend to hold interaction with your fresh Kubernetes cluster. commemorate the guidelines on the access tab to your deployment web page to deploy the Kubernetes and IBM Cloud command line gear that'll subsist effectual within the subsequent area, and you can expend them to test the connection to your fresh cluster.

    once you are in a position to receive a response from the kubectl pick up nodes command, your cluster can subsist able to installation containers into.

    setting up Rancher 2.0

    Now that you hold a working Kubernetes cluster, or not it's time to nascence deploying functions into your cluster. while you may expend the kubectl command to achieve this, tools love Rancher can originate managing the operations of a Kubernetes cluster lots simpler.

    Rancher itself is deployed as a Docker container. quicken it through executing the following docker command:

    docker quicken -d --restart=unless-stopped rancher/rancher -p 80:80 -p 443:443

    this will nascence up Rancher and allow connections on port 80 and 443 of your host laptop to coast through to the Rancher container. once the container has begun and the services are activated, that you would subsist able to log in through navigating to https://localhost for your net browser.

    Your first order of enterprise is to create an administrative user and to supply that person a sturdy password.

    next, you'll need to configure the URL that different servers in your cluster will expend to entry your Rancher instance. or not it's essential that this URL is obtainable by way of every machines in the cluster.

    when you've saved the URL, you will subsist taken to the Clusters page. Rancher lets you control dissimilar Kubernetes clusters, so this page will serve because the starting factor for every the clusters you install and control with Rancher.

    Rancher 2.0 acts because the master of its own Kubernetes cluster, but considering the fact that they already hold a Kubernetes cluster running in IBM Cloud, let's remove a glance at how they will add this present cluster to Rancher.

    Importing Your IBM Cloud Kubernetes service Cluster With Rancher

    Now that we've Rancher running and a Kubernetes cluster install in the IBM Cloud, or not it's time to "join the dots" and import their current Kubernetes setup into Rancher. From the Clusters web page, click on the Add Cluster button:

    you'll perceive a yoke of options for cloud providers. These alternatives abet you create a fresh cluster at once inside the Rancher atmosphere. because they now hold already created their cluster, let's select the IMPORT alternative and convey their latest cluster into the Rancher tool. provide the cluster a memorable identify and click on on the Create button.

    Importing the cluster itself is an light recollect of making expend of a Kubernetes configuration to your IBM Cloud Kubernetes service cluster. quicken the given kubectl command to your IBM Cloud Kubernetes carrier cluster the usage of the command line gear you installed earlier.

    notice: At this stage, having an accessible installing of Rancher is vital. in case your Rancher illustration isn't obtainable from the favorite web, it subsist doubtless that you won't subsist in a position to import your cluster.

    you will comprehend that the configuration has been utilized effectively when the Clusters web page indicates the fitness of the nodes on your cluster.

    Now that they now hold a connection to their Kubernetes cluster, let's create their first container the expend of Rancher.

    initiatives, Namespaces, and Pods: Oh My!

    earlier than they dive too tons additional, they may still remove a second to discourse about the primary vocabulary of Kubernetes. when you are already established with these concepts, that you can bypass ahead to the Rancher tasks section.

    Docker containers running in Kubernetes are grouped collectively the usage of just a few different layers. in this section, they will ascertain these groupings and the terminology we'll deserve to remove into account the technique of working a container.

    Nodes

    A Node in Kubernetes is usually a sole server aid or compute unit. It represents the physical or virtual server that could subsist running every your containers and is used to support visualize and control the resources that your gross cluster is consuming. distinctive nodes are continually quicken together in a high-Availability ambiance, with grasp or API nodes featuring access and administration of distinctive worker nodes. The employee nodes expend every of their components to quicken the functions you installation into your cluster.

    Pods

    Containers are quicken in a sole logical unit known as a Pod. Pods are the smallest unit of deployment and typically quicken most effectual a sole container (however containers which are VERY TIGHTLY COUPLED can subsist quicken within the equal pod together). Pods are used to abstract out a sole component of your software into whatever thing that will also subsist deployed, managed, and quicken within the Kubernetes cluster.

    Namespaces

    Pods which are regarding each other can subsist grouped together into Namespaces. These namespaces are more than just a logical grouping - they definitely hold an upshot on how containers are networked collectively, with containers in the equal namespace in a position to access each and every other with the aid of local denomination in preference to a domain name.

    capabilities

    through default, pods are remoted from every different on the network and are unable to entry each and every different. To communicate between pods, which you could create a service for that pod. capabilities expose a pod to the indigenous network by way of a local domain denomination with the structure <container_name>.<namespace_name>.svc.cluster.native, and pods within the very namespace can access every by using container identify on my own.

    Ingresses

    plenty love services expose pods to the indigenous community, Ingresses expose a provider to the prevalent internet. Ingresses are the entry factor of the outdoor world into the VPN that containers expend to discourse with each and every different.

    Rancher initiatives

    The eventual unit of corporation they will discuss is a challenge, which isn't a share of Kubernetes however is a feature of Rancher. Rancher projects are used to manage access to elements within Rancher, so any Kubernetes substances that you simply'd want to exploit in Rancher must subsist a share of a mission. for instance, if you'd love to control applications in the kube-gadget namespace, you're going to need to tide them into a project to exploit those components. that you could also expend initiatives if in case you hold groups of builders and want to finely wield who's in a position to supplant and manage the elements for a selected undertaking.

    Deploying Your First Container With Rancher

    Now that you've got a way of the structure of applications in Rancher, it subsist time to launch your first container. we'll are looking to launch their container into a project inside their Rancher example, and a namespace inside their Kubernetes cluster. after they created their cluster in Rancher, a brand fresh mission known as "default" become created. Kubernetes also has a default namespace that they can pick up began with redress away. To deploy into their fresh namespace, select default from the cluster drop-down menu.

    this could drop you into the namespace with a number of menu options. To install their utility, we'll wish to create a workload, which is an extra identify for software. when you select your default namespace, you're going to subsist immediately dropped into the workloads tab. that you can also click workloads to navigate to this interface.

    From prerogative here, that you would subsist able to either import an existing container application the expend of a Kubernetes YAML file (by means of clicking on the Import YAML button) or expend the Rancher container deployment wizard with the aid of clicking the deploy button. Let's are attempting the latter. click on the installation button and you should still subsist taken to the deployment wizard.

    here, that you can adjust the settings of your workload earlier than launching it. The picture is the Docker picture that will subsist deployed (the photo will instantly subsist pulled from DockerHub if it isn't purchasable locally). there are lots of settings here that you would subsist able to adjust that are outside of the scope of this text, but for now, they will recede away this as a simple busybox deployment with a denomination of "examine". click the Launch button and your container can subsist deployed onto your cluster.

    once your container is launched and lively, that you would subsist able to operate moves in your container via chosen the context menu on the correct-hand side of the deployment.

    Clicking on Execute Shell will convey into a bash terminal and abet you interact without delay with the container's underlying utility.

    you could additionally toggle the scaling submenu the expend of the arrow on the preempt of your deployment, which offers alternatives for scaling up or down your deployment to varied pods and lets you monitor or wield individual pods to your deployment.

    Wrapping It Up

    in this article, they took a primary examine deploying purposes into the IBM Cloud Kubernetes service using Rancher. This may still offer you a powerful foundation for getting started with working purposes in the IBM Cloud. within the subsequent articles in this sequence, they are going to remove a deeper gawk at how their microservice purposes can hold interaction natively with different IBM Cloud services. they will also find out how to install microservice applications inside their IBM Cloud Kubernetes carrier, set up a microservice carrier mesh, shop data the usage of IBM Cloud kick Storage, question that facts using IBM Cloud SQL question, execute IBM Cloud services from their Kubernetes functions, and attach every of the pieces together seamlessly the usage of Kubernetes-native services.


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    AIX Basic Operations V5

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    GSSAPI Authentication and Kerberos v5 | killexams.com actual questions and Pass4sure dumps

    This chapter is from the bespeak 

    This section discusses the GSSAPI mechanism, in particular, Kerberos v5 and how this works in conjunction with the Sun ONE Directory Server 5.2 software and what is involved in implementing such a solution. delight subsist vigilant that this is not a trifling task.

    It’s worth taking a brief gawk at the relationship between the Generic Security Services Application Program Interface (GSSAPI) and Kerberos v5.

    The GSSAPI does not actually provide security services itself. Rather, it is a framework that provides security services to callers in a generic fashion, with a sweep of underlying mechanisms and technologies such as Kerberos v5. The current implementation of the GSSAPI only works with the Kerberos v5 security mechanism. The best way to contemplate about the relationship between GSSAPI and Kerberos is in the following manner: GSSAPI is a network authentication protocol abstraction that allows Kerberos credentials to subsist used in an authentication exchange. Kerberos v5 must subsist installed and running on any system on which GSSAPI-aware programs are running.

    The support for the GSSAPI is made practicable in the directory server through the introduction of a fresh SASL library, which is based on the Cyrus CMU implementation. Through this SASL framework, DIGEST-MD5 is supported as explained previously, and GSSAPI which implements Kerberos v5. Additional GSSAPI mechanisms upshot exist. For example, GSSAPI with SPNEGO support would subsist GSS-SPNEGO. Other GSS mechanism names are based on the GSS mechanisms OID.

    The Sun ONE Directory Server 5.2 software only supports the expend of GSSAPI on Solaris OE. There are implementations of GSSAPI for other operating systems (for example, Linux), but the Sun ONE Directory Server 5.2 software does not expend them on platforms other than the Solaris OE.

    Understanding GSSAPI

    The Generic Security Services Application Program Interface (GSSAPI) is a standard interface, defined by RFC 2743, that provides a generic authentication and secure messaging interface, whereby these security mechanisms can subsist plugged in. The most commonly referred to GSSAPI mechanism is the Kerberos mechanism that is based on surreptitious key cryptography.

    One of the main aspects of GSSAPI is that it allows developers to add secure authentication and privacy (encryption and or integrity checking) protection to data being passed over the wire by writing to a sole programming interface. This is shown in figure 3-2.

    03fig02.gifFigure 3-2. GSSAPI Layers

    The underlying security mechanisms are loaded at the time the programs are executed, as opposed to when they are compiled and built. In practice, the most commonly used GSSAPI mechanism is Kerberos v5. The Solaris OE provides a few different flavors of Diffie-Hellman GSSAPI mechanisms, which are only useful to NIS+ applications.

    What can subsist confusing is that developers might write applications that write directly to the Kerberos API, or they might write GSSAPI applications that request the Kerberos mechanism. There is a mammoth difference, and applications that talk Kerberos directly cannot communicate with those that talk GSSAPI. The wire protocols are not compatible, even though the underlying Kerberos protocol is in use. An case is telnet with Kerberos is a secure telnet program that authenticates a telnet user and encrypts data, including passwords exchanged over the network during the telnet session. The authentication and message protection features are provided using Kerberos. The telnet application with Kerberos only uses Kerberos, which is based on secret-key technology. However, a telnet program written to the GSSAPI interface can expend Kerberos as well as other security mechanisms supported by GSSAPI.

    The Solaris OE does not deliver any libraries that provide support for third-party companies to program directly to the Kerberos API. The goal is to inspirit developers to expend the GSSAPI. Many open-source Kerberos implementations (MIT, Heimdal) allow users to write Kerberos applications directly.

    On the wire, the GSSAPI is compatible with Microsoft’s SSPI and thus GSSAPI applications can communicate with Microsoft applications that expend SSPI and Kerberos.

    The GSSAPI is preferred because it is a standardized API, whereas Kerberos is not. This means that the MIT Kerberos evolution team might change the programming interface anytime, and any applications that exist today might not travail in the future without some code modifications. Using GSSAPI avoids this problem.

    Another capitalize of GSSAPI is its pluggable feature, which is a mammoth benefit, especially if a developer later decides that there is a better authentication system than Kerberos, because it can easily subsist plugged into the system and the existing GSSAPI applications should subsist able to expend it without being recompiled or patched in any way.

    Understanding Kerberos v5

    Kerberos is a network authentication protocol designed to provide sturdy authentication for client/server applications by using secret-key cryptography. Originally developed at the Massachusetts Institute of Technology, it is included in the Solaris OE to provide sturdy authentication for Solaris OE network applications.

    In addition to providing a secure authentication protocol, Kerberos also offers the capacity to add privacy support (encrypted data streams) for remote applications such as telnet, ftp, rsh, rlogin, and other common UNIX network applications. In the Solaris OE, Kerberos can also subsist used to provide sturdy authentication and privacy support for Network File Systems (NFS), allowing secure and private file sharing across the network.

    Because of its widespread acceptance and implementation in other operating systems, including Windows 2000, HP-UX, and Linux, the Kerberos authentication protocol can interoperate in a heterogeneous environment, allowing users on machines running one OS to securely authenticate themselves on hosts of a different OS.

    The Kerberos software is available for Solaris OE versions 2.6, 7, 8, and 9 in a part package called the Sun Enterprise Authentication Mechanism (SEAM) software. For Solaris 2.6 and Solaris 7 OE, Sun Enterprise Authentication Mechanism software is included as share of the Solaris light Access Server 3.0 (Solaris SEAS) package. For Solaris 8 OE, the Sun Enterprise Authentication Mechanism software package is available with the Solaris 8 OE Admin Pack.

    For Solaris 2.6 and Solaris 7 OE, the Sun Enterprise Authentication Mechanism software is freely available as share of the Solaris light Access Server 3.0 package available for download from:

    http://www.sun.com/software/solaris/7/ds/ds-seas.

    For Solaris 8 OE systems, Sun Enterprise Authentication Mechanism software is available in the Solaris 8 OE Admin Pack, available for download from:

    http://www.sun.com/bigadmin/content/adminPack/index.html.

    For Solaris 9 OE systems, Sun Enterprise Authentication Mechanism software is already installed by default and contains the following packages listed in TABLE 3-1.

    Table 3-1. Solaris 9 OE Kerberos v5 Packages

    Package Name

    Description

    SUNWkdcr

    Kerberos v5 KDC (root)

    SUNWkdcu

    Kerberos v5 Master KDC (user)

    SUNWkrbr

    Kerberos version 5 support (Root)

    SUNWkrbu

    Kerberos version 5 support (Usr)

    SUNWkrbux

    Kerberos version 5 support (Usr) (64-bit)

    All of these Sun Enterprise Authentication Mechanism software distributions are based on the MIT KRB5 Release version 1.0. The client programs in these distributions are compatible with later MIT releases (1.1, 1.2) and with other implementations that are compliant with the standard.

    How Kerberos Works

    The following is an overview of the Kerberos v5 authentication system. From the user’s standpoint, Kerberos v5 is mostly invisible after the Kerberos session has been started. Initializing a Kerberos session often involves no more than logging in and providing a Kerberos password.

    The Kerberos system revolves around the concept of a ticket. A ticket is a set of electronic information that serves as identification for a user or a service such as the NFS service. Just as your driver’s license identifies you and indicates what driving permissions you have, so a ticket identifies you and your network access privileges. When you achieve a Kerberos-based transaction (for example, if you expend rlogin to log in to another machine), your system transparently sends a request for a ticket to a Key Distribution Center, or KDC. The KDC accesses a database to authenticate your identity and returns a ticket that grants you leave to access the other machine. Transparently means that you upshot not need to explicitly request a ticket.

    Tickets hold unavoidable attributes associated with them. For example, a ticket can subsist forwardable (which means that it can subsist used on another machine without a fresh authentication process), or postdated (not cogent until a specified time). How tickets are used (for example, which users are allowed to obtain which types of tickets) is set by policies that are determined when Kerberos is installed or administered.

    You will frequently perceive the terms credential and ticket. In the Kerberos world, they are often used interchangeably. Technically, however, a credential is a ticket plus the session key for that session.

    Initial Authentication

    Kerberos authentication has two phases, an initial authentication that allows for every subsequent authentications, and the subsequent authentications themselves.

    A client (a user, or a service such as NFS) begins a Kerberos session by requesting a ticket-granting ticket (TGT) from the Key Distribution headquarters (KDC). This request is often done automatically at login.

    A ticket-granting ticket is needed to obtain other tickets for specific services. contemplate of the ticket-granting ticket as something similar to a passport. love a passport, the ticket-granting ticket identifies you and allows you to obtain numerous “visas,” where the “visas” (tickets) are not for exotic countries, but for remote machines or network services. love passports and visas, the ticket-granting ticket and the other various tickets hold limited lifetimes. The disagreement is that Kerberized commands notice that you hold a passport and obtain the visas for you. You don’t hold to achieve the transactions yourself.

    The KDC creates a ticket-granting ticket and sends it back, in encrypted form, to the client. The client decrypts the ticket-granting ticket using the client’s password.

    Now in possession of a cogent ticket-granting ticket, the client can request tickets for every sorts of network operations for as long as the ticket-granting ticket lasts. This ticket usually lasts for a few hours. Each time the client performs a unique network operation, it requests a ticket for that operation from the KDC.

    Subsequent Authentications

    The client requests a ticket for a particular service from the KDC by sending the KDC its ticket-granting ticket as proof of identity.

  • The KDC sends the ticket for the specific service to the client.

    For example, suppose user lucy wants to access an NFS file system that has been shared with krb5 authentication required. Since she is already authenticated (that is, she already has a ticket-granting ticket), as she attempts to access the files, the NFS client system automatically and transparently obtains a ticket from the KDC for the NFS service.

  • The client sends the ticket to the server.

    When using the NFS service, the NFS client automatically and transparently sends the ticket for the NFS service to the NFS server.

  • The server allows the client access.

    These steps originate it materialize that the server doesn’t ever communicate with the KDC. The server does, though, as it registers itself with the KDC, just as the first client does.

  • Principals

    A client is identified by its principal. A principal is a unique identity to which the KDC can allot tickets. A principal can subsist a user, such as joe, or a service, such as NFS.

    By convention, a principal denomination is divided into three parts: the primary, the instance, and the realm. A typical principal could be, for example, lucy/admin@EXAMPLE.COM, where:

    lucy is the primary. The primary can subsist a user name, as shown here, or a service, such as NFS. The primary can also subsist the word host, which signifies that this principal is a service principal that is set up to provide various network services.

    admin is the instance. An instance is optional in the case of user principals, but it is required for service principals. For example, if the user lucy sometimes acts as a system administrator, she can expend lucy/admin to distinguish herself from her customary user identity. Likewise, if Lucy has accounts on two different hosts, she can expend two principal names with different instances (for example, lucy/california.example.com and lucy/boston.example.com).

    Realms

    A realm is a logical network, similar to a domain, which defines a group of systems under the very master KDC. Some realms are hierarchical (one realm being a superset of the other realm). Otherwise, the realms are non-hierarchical (or direct) and the mapping between the two realms must subsist defined.

    Realms and KDC Servers

    Each realm must embrace a server that maintains the master copy of the principal database. This server is called the master KDC server. Additionally, each realm should hold at least one slave KDC server, which contains duplicate copies of the principal database. Both the master KDC server and the slave KDC server create tickets that are used to establish authentication.

    Understanding the Kerberos KDC

    The Kerberos Key Distribution headquarters (KDC) is a trusted server that issues Kerberos tickets to clients and servers to communicate securely. A Kerberos ticket is a obstruct of data that is presented as the user’s credentials when attempting to access a Kerberized service. A ticket contains information about the user’s identity and a temporary encryption key, every encrypted in the server’s private key. In the Kerberos environment, any entity that is defined to hold a Kerberos identity is referred to as a principal.

    A principal may subsist an entry for a particular user, host, or service (such as NFS or FTP) that is to interact with the KDC. Most commonly, the KDC server system also runs the Kerberos Administration Daemon, which handles administrative commands such as adding, deleting, and modifying principals in the Kerberos database. Typically, the KDC, the admin server, and the database are every on the very machine, but they can subsist separated if necessary. Some environments may require that multiple realms subsist configured with master KDCs and slave KDCs for each realm. The principals applied for securing each realm and KDC should subsist applied to every realms and KDCs in the network to ensure that there isn’t a sole debilitated link in the chain.

    One of the first steps to remove when initializing your Kerberos database is to create it using the kdb5_util command, which is located in /usr/sbin. When running this command, the user has the preference of whether to create a stash file or not. The stash file is a local copy of the master key that resides on the KDC’s local disk. The master key contained in the stash file is generated from the master password that the user enters when first creating the KDC database. The stash file is used to authenticate the KDC to itself automatically before starting the kadmind and krb5kdc daemons (for example, as share of the machine’s boot sequence).

    If a stash file is not used when the database is created, the administrator who starts up the krb5kdc process will hold to manually enter the master key (password) every time they start the process. This may look love a typical trade off between convenience and security, but if the repose of the system is sufficiently hardened and protected, very shrimp security is lost by having the master key stored in the protected stash file. It is recommended that at least one slave KDC server subsist installed for each realm to ensure that a backup is available in the event that the master server becomes unavailable, and that slave KDC subsist configured with the very even of security as the master.

    Currently, the Sun Kerberos v5 Mechanism utility, kdb5_util, can create three types of keys, DES-CBC-CRC, DES-CBC-MD5, and DES-CBC-RAW. DES-CBC stands for DES encryption with Cipher obstruct Chaining and the CRC, MD5, and RAW designators refer to the checksum algorithm that is used. By default, the key created will subsist DES-CBC-CRC, which is the default encryption kind for the KDC. The kind of key created is specified on the command line with the -k option (see the kdb5_util (1M) man page). choose the password for your stash file very carefully, because this password can subsist used in the future to decrypt the master key and modify the database. The password may subsist up to 1024 characters long and can embrace any combination of letters, numbers, punctuation, and spaces.

    The following is an case of creating a stash file:

    kdc1 #/usr/sbin/kdb5_util create -r EXAMPLE.COM -s Initializing database '/var/krb5/principal' for realm 'EXAMPLE.COM' master key denomination 'K/M@EXAMPLE.COM' You will subsist prompted for the database Master Password. It is significant that you NOT FORGET this password. Enter KDC database master key: master_key Re-enter KDC database master key to verify: master_key

    Notice the expend of the -s argument to create the stash file. The location of the stash file is in the /var/krb5. The stash file appears with the following mode and ownership settings:

    kdc1 # cd /var/krb5 kdc1 # ls -l -rw------- 1 root other 14 Apr 10 14:28 .k5.EXAMPLE.COM

    The directory used to store the stash file and the database should not subsist shared or exported.

    Secure Settings in the KDC Configuration File

    The KDC and Administration daemons both read configuration information from /etc/krb5/kdc.conf. This file contains KDC-specific parameters that govern overall behavior for the KDC and for specific realms. The parameters in the kdc.conf file are explained in detail in the kdc.conf(4) man page.

    The kdc.conf parameters depict locations of various files and ports to expend for accessing the KDC and the administration daemon. These parameters generally upshot not need to subsist changed, and doing so does not result in any added security. However, there are some parameters that may subsist adjusted to enhance the overall security of the KDC. The following are some examples of adjustable parameters that enhance security.

  • kdc_ports – Defines the ports that the KDC will listen on to receive requests. The standard port for Kerberos v5 is 88. 750 is included and commonly used to support older clients that still expend the default port designated for Kerberos v4. Solaris OE still listens on port 750 for backwards compatibility. This is not considered a security risk.

  • max_life – Defines the maximum lifetime of a ticket, and defaults to eight hours. In environments where it is desirable to hold users re-authenticate frequently and to reduce the chance of having a principal’s credentials stolen, this value should subsist lowered. The recommended value is eight hours.

  • max_renewable_life – Defines the epoch of time from when a ticket is issued that it may subsist renewed (using kinit -R). The standard value here is 7 days. To disable renewable tickets, this value may subsist set to 0 days, 0 hrs, 0 min. The recommended value is 7d 0h 0m 0s.

  • default_principal_expiration – A Kerberos principal is any unique identity to which Kerberos can allot a ticket. In the case of users, it is the very as the UNIX system user name. The default lifetime of any principal in the realm may subsist defined in the kdc.conf file with this option. This should subsist used only if the realm will hold temporary principals, otherwise the administrator will hold to constantly subsist renewing principals. Usually, this setting is left undefined and principals upshot not expire. This is not insecure as long as the administrator is vigilant about removing principals for users that no longer need access to the systems.

  • supported_enctypes – The encryption types supported by the KDC may subsist defined with this option. At this time, Sun Enterprise Authentication Mechanism software only supports des-cbc-crc:normal encryption type, but in the future this may subsist used to ensure that only sturdy cryptographic ciphers are used.

  • dict_file – The location of a dictionary file containing strings that are not allowed as passwords. A principal with any password policy (see below) will not subsist able to expend words organize in this dictionary file. This is not defined by default. Using a dictionary file is a advantageous way to avert users from creating trifling passwords to protect their accounts, and thus helps avoid one of the most common weaknesses in a computer network-guessable passwords. The KDC will only check passwords against the dictionary for principals which hold a password policy association, so it is advantageous practice to hold at least one simple policy associated with every principals in the realm.

  • The Solaris OE has a default system dictionary that is used by the spell program that may also subsist used by the KDC as a dictionary of common passwords. The location of this file is: /usr/share/lib/dict/words. Other dictionaries may subsist substituted. The format is one word or phrase per line.

    The following is a Kerberos v5 /etc/krb5/kdc.conf case with suggested settings:

    # Copyright 1998-2002 Sun Microsystems, Inc. every rights reserved. # expend is matter to license terms. # #ident "@(#)kdc.conf 1.2 02/02/14 SMI" [kdcdefaults] kdc_ports = 88,750 [realms] ___default_realm___ = { profile = /etc/krb5/krb5.conf database_name = /var/krb5/principal admin_keytab = /etc/krb5/kadm5.keytab acl_file = /etc/krb5/kadm5.acl kadmind_port = 749 max_life = 8h 0m 0s max_renewable_life = 7d 0h 0m 0s default_principal_flags = +preauth Needs piteous -- dict_file = /usr/share/lib/dict/words } Access Control

    The Kerberos administration server allows for granular control of the administrative commands by expend of an access control list (ACL) file (/etc/krb5/kadm5.acl). The syntax for the ACL file allows for wildcarding of principal names so it is not necessary to list every sole administrator in the ACL file. This feature should subsist used with powerful care. The ACLs used by Kerberos allow privileges to subsist broken down into very precise functions that each administrator can perform. If a unavoidable administrator only needs to subsist allowed to hold read-access to the database then that person should not subsist granted plenary admin privileges. Below is a list of the privileges allowed:

  • a – Allows the addition of principals or policies in the database.

  • A – Prohibits the addition of principals or policies in the database.

  • d – Allows the deletion of principals or policies in the database.

  • D – Prohibits the deletion of principals or policies in the database.

  • m – Allows the modification of principals or policies in the database.

  • M – Prohibits the modification of principals or policies in the database.

  • c – Allows the changing of passwords for principals in the database.

  • C – Prohibits the changing of passwords for principals in the database.

  • i – Allows inquiries to the database.

  • I – Prohibits inquiries to the database.

  • l – Allows the listing of principals or policies in the database.

  • L – Prohibits the listing of principals or policies in the database.

  • * – Short for every privileges (admcil).

  • x – Short for every privileges (admcil). Identical to *.

  • Adding Administrators

    After the ACLs are set up, actual administrator principals should subsist added to the system. It is strongly recommended that administrative users hold part /admin principals to expend only when administering the system. For example, user Lucy would hold two principals in the database - lucy@REALM and lucy/admin@REALM. The /admin principal would only subsist used when administering the system, not for getting ticket-granting-tickets (TGTs) to access remote services. Using the /admin principal only for administrative purposes minimizes the chance of someone walking up to Joe’s unattended terminal and performing unauthorized administrative commands on the KDC.

    Kerberos principals may subsist differentiated by the instance share of their principal name. In the case of user principals, the most common instance identifier is /admin. It is standard practice in Kerberos to differentiate user principals by defining some to subsist /admin instances and others to hold no specific instance identifier (for example, lucy/admin@REALM versus lucy@REALM). Principals with the /admin instance identifier are assumed to hold administrative privileges defined in the ACL file and should only subsist used for administrative purposes. A principal with an /admin identifier which does not match up with any entries in the ACL file will not subsist granted any administrative privileges, it will subsist treated as a non-privileged user principal. Also, user principals with the /admin identifier are given part passwords and part permissions from the non-admin principal for the very user.

    The following is a sample /etc/krb5/kadm5.acl file:

    # Copyright (c) 1998-2000 by Sun Microsystems, Inc. # every rights reserved. # #pragma ident "@(#)kadm5.acl 1.1 01/03/19 SMI" # lucy/admin is given plenary administrative privilege lucy/admin@EXAMPLE.COM * # # tom/admin user is allowed to query the database (d), listing principals # (l), and changing user passwords (c) # tom/admin@EXAMPLE.COM dlc

    It is highly recommended that the kadm5.acl file subsist tightly controlled and that users subsist granted only the privileges they need to achieve their assigned tasks.

    Creating Host Keys

    Creating host keys for systems in the realm such as slave KDCs is performed the very way that creating user principals is performed. However, the -randkey option should always subsist used, so no one ever knows the actual key for the hosts. Host principals are almost always stored in the keytab file, to subsist used by root-owned processes that wish to act as Kerberos services for the local host. It is rarely necessary for anyone to actually know the password for a host principal because the key is stored safely in the keytab and is only accessible by root-owned processes, never by actual users.

    When creating keytab files, the keys should always subsist extracted from the KDC on the very machine where the keytab is to reside using the ktadd command from a kadmin session. If this is not feasible, remove powerful faith in transferring the keytab file from one machine to the next. A malicious attacker who possesses the contents of the keytab file could expend these keys from the file in order to gain access to another user or services credentials. Having the keys would then allow the attacker to impersonate whatever principal that the key represented and further compromise the security of that Kerberos realm. Some suggestions for transferring the keytab are to expend Kerberized, encrypted ftp transfers, or to expend the secure file transfer programs scp or sftp offered with the SSH package (http://www.openssh.org). Another safe system is to status the keytab on a removable disk, and hand-deliver it to the destination.

    Hand delivery does not scale well for big installations, so using the Kerberized ftp daemon is perhaps the most convenient and secure system available.

    Using NTP to Synchronize Clocks

    All servers participating in the Kerberos realm need to hold their system clocks synchronized to within a configurable time restrict (default 300 seconds). The safest, most secure way to systematically synchronize the clocks on a network of Kerberos servers is by using the Network Time Protocol (NTP) service. The Solaris OE comes with an NTP client and NTP server software (SUNWntpu package). perceive the ntpdate(1M) and xntpd(1M) man pages for more information on the individual commands. For more information on configuring NTP, refer to the following Sun BluePrints OnLine NTP articles:

    It is faultfinding that the time subsist synchronized in a secure manner. A simple denial of service bombard on either a client or a server would involve just skewing the time on that system to subsist outside of the configured clock skew value, which would then avert anyone from acquiring TGTs from that system or accessing Kerberized services on that system. The default clock-skew value of five minutes is the maximum recommended value.

    The NTP infrastructure must also subsist secured, including the expend of server hardening for the NTP server and application of NTP security features. Using the Solaris Security Toolkit software (formerly known as JASS) with the secure.driver script to create a minimal system and then installing just the necessary NTP software is one such method. The Solaris Security Toolkit software is available at:

    http://www.sun.com/security/jass/

    Documentation on the Solaris Security Toolkit software is available at:

    http://www.sun.com/security/blueprints

    Establishing Password Policies

    Kerberos allows the administrator to define password policies that can subsist applied to some or every of the user principals in the realm. A password policy contains definitions for the following parameters:

  • Minimum Password Length – The number of characters in the password, for which the recommended value is 8.

  • Maximum Password Classes – The number of different character classes that must subsist used to originate up the password. Letters, numbers, and punctuation are the three classes and cogent values are 1, 2, and 3. The recommended value is 2.

  • Saved Password History – The number of previous passwords that hold been used by the principal that cannot subsist reused. The recommended value is 3.

  • Minimum Password Lifetime (seconds) – The minimum time that the password must subsist used before it can subsist changed. The recommended value is 3600 (1 hour).

  • Maximum Password Lifetime (seconds) – The maximum time that the password can subsist used before it must subsist changed. The recommended value is 7776000 (90 days).

  • These values can subsist set as a group and stored as a sole policy. Different policies can subsist defined for different principals. It is recommended that the minimum password length subsist set to at least 8 and that at least 2 classes subsist required. Most people tend to choose easy-to-remember and easy-to-type passwords, so it is a advantageous view to at least set up policies to inspirit slightly more difficult-to-guess passwords through the expend of these parameters. Setting the Maximum Password Lifetime value may subsist helpful in some environments, to coerce people to change their passwords periodically. The epoch is up to the local administrator according to the overriding corporate security policy used at that particular site. Setting the Saved Password History value combined with the Minimum Password Lifetime value prevents people from simply switching their password several times until they pick up back to their original or favorite password.

    The maximum password length supported is 255 characters, unlike the UNIX password database which only supports up to 8 characters. Passwords are stored in the KDC encrypted database using the KDC default encryption method, DES-CBC-CRC. In order to avert password guessing attacks, it is recommended that users choose long passwords or pass phrases. The 255 character restrict allows one to choose a little sentence or light to recollect phrase instead of a simple one-word password.

    It is practicable to expend a dictionary file that can subsist used to avert users from choosing common, easy-to-guess words (see “Secure Settings in the KDC Configuration File” on page 70). The dictionary file is only used when a principal has a policy association, so it is highly recommended that at least one policy subsist in upshot for every principals in the realm.

    The following is an case password policy creation:

    If you specify a kadmin command without specifying any options, kadmin displays the syntax (usage information) for that command. The following code box shows this, followed by an actual add_policy command with options.

    kadmin: add_policy usage: add_policy [options] policy options are: [-maxlife time] [-minlife time] [-minlength length] [-minclasses number] [-history number] kadmin: add_policy -minlife "1 hour" -maxlife "90 days" -minlength 8 -minclasses 2 -history 3 passpolicy kadmin: get_policy passpolicy Policy: passpolicy Maximum password life: 7776000 Minimum password life: 3600 Minimum password length: 8 Minimum number of password character classes: 2 Number of outmoded keys kept: 3 Reference count: 0

    This case creates a password policy called passpolicy which enforces a maximum password lifetime of 90 days, minimum length of 8 characters, a minimum of 2 different character classes (letters, numbers, punctuation), and a password history of 3.

    To apply this policy to an existing user, modify the following:

    kadmin: modprinc -policy passpolicy lucyPrincipal "lucy@EXAMPLE.COM" modified.

    To modify the default policy that is applied to every user principals in a realm, change the following:

    kadmin: modify_policy -maxlife "90 days" -minlife "1 hour" -minlength 8 -minclasses 2 -history 3 default kadmin: get_policy default Policy: default Maximum password life: 7776000 Minimum password life: 3600 Minimum password length: 8 Minimum number of password character classes: 2 Number of outmoded keys kept: 3 Reference count: 1

    The Reference count value indicates how many principals are configured to expend the policy.

    The default policy is automatically applied to every fresh principals that are not given the very password as the principal denomination when they are created. Any account with a policy assigned to it is uses the dictionary (defined in the dict_file parameter in /etc/krb5/kdc.conf) to check for common passwords.

    Backing Up a KDC

    Backups of a KDC system should subsist made regularly or according to local policy. However, backups should exclude the /etc/krb5/krb5.keytab file. If the local policy requires that backups subsist done over a network, then these backups should subsist secured either through the expend of encryption or possibly by using a part network interface that is only used for backup purposes and is not exposed to the very traffic as the non-backup network traffic. Backup storage media should always subsist kept in a secure, fireproof location.

    Monitoring the KDC

    Once the KDC is configured and running, it should subsist continually and vigilantly monitored. The Sun Kerberos v5 software KDC logs information into the /var/krb5/kdc.log file, but this location can subsist modified in the /etc/krb5/krb5.conf file, in the logging section.

    [logging] default = FILE:/var/krb5/kdc.log kdc = FILE:/var/krb5/kdc.log

    The KDC log file should hold read and write permissions for the root user only, as follows:

    -rw------ 1 root other 750 25 May 10 17:55 /var/krb5/kdc.log Kerberos Options

    The /etc/krb5/krb5.conf file contains information that every Kerberos applications expend to determine what server to talk to and what realm they are participating in. Configuring the krb5.conf file is covered in the Sun Enterprise Authentication Mechanism Software Installation Guide. also refer to the krb5.conf(4) man page for a plenary description of this file.

    The appdefaults section in the krb5.conf file contains parameters that control the behavior of many Kerberos client tools. Each appliance may hold its own section in the appdefaults section of the krb5.conf file.

    Many of the applications that expend the appdefaults section, expend the very options; however, they might subsist set in different ways for each client application.

    Kerberos Client Applications

    The following Kerberos applications can hold their behavior modified through the user of options set in the appdefaults section of the /etc/krb5/krb5.conf file or by using various command-line arguments. These clients and their configuration settings are described below.

    kinit

    The kinit client is used by people who want to obtain a TGT from the KDC. The /etc/krb5/krb5.conf file supports the following kinit options: renewable, forwardable, no_addresses, max_life, max_renewable_life and proxiable.

    telnet

    The Kerberos telnet client has many command-line arguments that control its behavior. refer to the man page for complete information. However, there are several keen security issues involving the Kerberized telnet client.

    The telnet client uses a session key even after the service ticket which it was derived from has expired. This means that the telnet session remains active even after the ticket originally used to gain access, is no longer valid. This is insecure in a strict environment, however, the trade off between ease of expend and strict security tends to rawboned in favor of ease-of-use in this situation. It is recommended that the telnet connection subsist re-initialized periodically by disconnecting and reconnecting with a fresh ticket. The overall lifetime of a ticket is defined by the KDC (/etc/krb5/kdc.conf), normally defined as eight hours.

    The telnet client allows the user to forward a copy of the credentials (TGT) used to authenticate to the remote system using the -f and -F command-line options. The -f option sends a non-forwardable copy of the local TGT to the remote system so that the user can access Kerberized NFS mounts or other local Kerberized services on that system only. The -F option sends a forwardable TGT to the remote system so that the TGT can subsist used from the remote system to gain further access to other remote Kerberos services beyond that point. The -F option is a superset of -f. If the Forwardable and or forward options are set to groundless in the krb5.conf file, these command-line arguments can subsist used to override those settings, thus giving individuals the control over whether and how their credentials are forwarded.

    The -x option should subsist used to rotate on encryption for the data stream. This further protects the session from eavesdroppers. If the telnet server does not support encryption, the session is closed. The /etc/krb5/krb5.conf file supports the following telnet options: forward, forwardable, encrypt, and autologin. The autologin [true/false] parameter tells the client to try and attempt to log in without prompting the user for a user name. The local user denomination is passed on to the remote system in the telnet negotiations.

    rlogin and rsh

    The Kerberos rlogin and rsh clients behave much the very as their non-Kerberized equivalents. Because of this, it is recommended that if they are required to subsist included in the network files such as /etc/hosts.equiv and .rhosts that the root users directory subsist removed. The Kerberized versions hold the added capitalize of using Kerberos protocol for authentication and can also expend Kerberos to protect the privacy of the session using encryption.

    Similar to telnet described previously, the rlogin and rsh clients expend a session key after the service ticket which it was derived from has expired. Thus, for maximum security, rlogin and rsh sessions should subsist re-initialized periodically. rlogin uses the -f, -F, and -x options in the very fashion as the telnet client. The /etc/krb5/krb5.conf file supports the following rlogin options: forward, forwardable, and encrypt.

    Command-line options override configuration file settings. For example, if the rsh section in the krb5.conf file indicates encrypt false, but the -x option is used on the command line, an encrypted session is used.

    rcp

    Kerberized rcp can subsist used to transfer files securely between systems using Kerberos authentication and encryption (with the -x command-line option). It does not prompt for passwords, the user must already hold a cogent TGT before using rcp if they wish to expend the encryption feature. However, beware if the -x option is not used and no local credentials are available, the rcp session will revert to the standard, non-Kerberized (and insecure) rcp behavior. It is highly recommended that users always expend the -x option when using the Kerberized rcp client.The /etc/krb5/krb5.conf file supports the encrypt [true/false] option.

    login

    The Kerberos login program (login.krb5) is forked from a successful authentication by the Kerberized telnet daemon or the Kerberized rlogin daemon. This Kerberos login daemon is part from the standard Solaris OE login daemon and thus, the standard Solaris OE features such as BSM auditing are not yet supported when using this daemon. The /etc/krb5/krb5.conf file supports the krb5_get_tickets [true/false] option. If this option is set to true, then the login program will generate a fresh Kerberos ticket (TGT) for the user upon proper authentication.

    ftp

    The Sun Enterprise Authentication Mechanism (SEAM) version of the ftp client uses the GSSAPI (RFC 2743) with Kerberos v5 as the default mechanism. This means that it uses Kerberos authentication and (optionally) encryption through the Kerberos v5 GSS mechanism. The only Kerberos-related command-line options are -f and -m. The -f option is the very as described above for telnet (there is no need for a -F option). -m allows the user to specify an alternative GSS mechanism if so desired, the default is to expend the kerberos_v5 mechanism.

    The protection even used for the data transfer can subsist set using the protect command at the ftp prompt. Sun Enterprise Authentication Mechanism software ftp supports the following protection levels:

  • Clear unprotected, unencrypted transmission

  • Safe data is integrity protected using cryptographic checksums

  • Private data is transmitted with confidentiality and integrity using encryption

  • It is recommended that users set the protection even to private for every data transfers. The ftp client program does not support or reference the krb5.conf file to find any optional parameters. every ftp client options are passed on the command line. perceive the man page for the Kerberized ftp client, ftp(1).

    In summary, adding Kerberos to a network can multiply the overall security available to the users and administrators of that network. Remote sessions can subsist securely authenticated and encrypted, and shared disks can subsist secured and encrypted across the network. In addition, Kerberos allows the database of user and service principals to subsist managed securely from any machine which supports the SEAM software Kerberos protocol. SEAM is interoperable with other RFC 1510 compliant Kerberos implementations such as MIT Krb5 and some MS Windows 2000 active Directory services. Adopting the practices recommended in this section further secure the SEAM software infrastructure to abet ensure a safer network environment.

    Implementing the Sun ONE Directory Server 5.2 Software and the GSSAPI Mechanism

    This section provides a high-level overview, followed by the in-depth procedures that depict the setup necessary to implement the GSSAPI mechanism and the Sun ONE Directory Server 5.2 software. This implementation assumes a realm of EXAMPLE.COM for this purpose. The following list gives an initial high-level overview of the steps required, with the next section providing the minute information.

  • Setup DNS on the client machine. This is an significant step because Kerberos requires DNS.

  • Install and configure the Sun ONE Directory Server version 5.2 software.

  • Check that the directory server and client both hold the SASL plug-ins installed.

  • Install and configure Kerberos v5.

  • Edit the /etc/krb5/krb5.conf file.

  • Edit the /etc/krb5/kdc.conf file.

  • Edit the /etc/krb5/kadm5.acl file.

  • Move the kerberos_v5 line so it is the first line in the /etc/gss/mech file.

  • Create fresh principals using kadmin.local, which is an interactive commandline interface to the Kerberos v5 administration system.

  • Modify the rights for /etc/krb5/krb5.keytab. This access is necessary for the Sun ONE Directory Server 5.2 software.

  • Run /usr/sbin/kinit.

  • Check that you hold a ticket with /usr/bin/klist.

  • Perform an ldapsearch, using the ldapsearch command-line appliance from the Sun ONE Directory Server 5.2 software to test and verify.

  • The sections that result fill in the details.

    Configuring a DNS Client

    To subsist a DNS client, a machine must quicken the resolver. The resolver is neither a daemon nor a sole program. It is a set of dynamic library routines used by applications that need to know machine names. The resolver’s role is to resolve users’ queries. To upshot that, it queries a denomination server, which then returns either the requested information or a referral to another server. Once the resolver is configured, a machine can request DNS service from a denomination server.

    The following case shows you how to configure the resolv.conf(4) file in the server kdc1 in the example.com domain.

    ; ; /etc/resolv.conf file for dnsmaster ; domain example.com nameserver 192.168.0.0 nameserver 192.168.0.1

    The first line of the /etc/resolv.conf file lists the domain denomination in the form:

    domain domainname

    No spaces or tabs are permitted at the discontinuance of the domain name. originate certain that you press recrudesce immediately after the eventual character of the domain name.

    The second line identifies the server itself in the form:

    nameserver IP_address

    Succeeding lines list the IP addresses of one or two slave or cache-only denomination servers that the resolver should consult to resolve queries. denomination server entries hold the form:

    nameserver IP_address

    IP_address is the IP address of a slave or cache-only DNS denomination server. The resolver queries these denomination servers in the order they are listed until it obtains the information it needs.

    For more minute information of what the resolv.conf file does, refer to the resolv.conf(4) man page.

    To Configure Kerberos v5 (Master KDC)

    In the this procedure, the following configuration parameters are used:

  • Realm denomination = EXAMPLE.COM

  • DNS domain denomination = example.com

  • Master KDC = kdc1.example.com

  • admin principal = lucy/admin

  • Online abet URL = http://example:8888/ab2/coll.384.1/SEAM/@AB2PageView/6956

  • This procedure requires that DNS is running.

    Before you launch this configuration process, originate a backup of the /etc/krb5 files.

  • Become superuser on the master KDC. (kdc1, in this example)

  • Edit the Kerberos configuration file (krb5.conf).

    You need to change the realm names and the names of the servers. perceive the krb5.conf(4) man page for a plenary description of this file.

    kdc1 # more /etc/krb5/krb5.conf [libdefaults] default_realm = EXAMPLE.COM [realms] EXAMPLE.COM = { kdc = kdc1.example.com admin server = kdc1.example.com } [domain_realm] .example.com = EXAMPLE.COM [logging] default = FILE:/var/krb5/kdc.log kdc = FILE:/var/krb5/kdc.log [appdefaults] gkadmin = { help_url = http://example:8888/ab2/coll.384.1/SEAM/@AB2PageView/6956 }

    In this example, the lines for domain_realm, kdc, admin_server, and every domain_realm entries were changed. In addition, the line with ___slave_kdcs___ in the [realms] section was deleted and the line that defines the help_url was edited.

  • Edit the KDC configuration file (kdc.conf).

    You must change the realm name. perceive the kdc.conf( 4) man page for a plenary description of this file.

    kdc1 # more /etc/krb5/kdc.conf [kdcdefaults] kdc_ports = 88,750 [realms] EXAMPLE.COM= { profile = /etc/krb5/krb5.conf database_name = /var/krb5/principal admin_keytab = /etc/krb5/kadm5.keytab acl_file = /etc/krb5/kadm5.acl kadmind_port = 749 max_life = 8h 0m 0s max_renewable_life = 7d 0h 0m 0s need piteous ---------> default_principal_flags = +preauth }

    In this example, only the realm denomination definition in the [realms] section is changed.

  • Create the KDC database by using the kdb5_util command.

    The kdb5_util command, which is located in /usr/sbin, creates the KDC database. When used with the -s option, this command creates a stash file that is used to authenticate the KDC to itself before the kadmind and krb5kdc daemons are started.

    kdc1 # /usr/sbin/kdb5_util create -r EXAMPLE.COM -s Initializing database '/var/krb5/principal' for realm 'EXAMPLE.COM' master key denomination 'K/M@EXAMPLE.COM' You will subsist prompted for the database Master Password. It is significant that you NOT FORGET this password. Enter KDC database master key: key Re-enter KDC database master key to verify: key

    The -r option followed by the realm denomination is not required if the realm denomination is equivalent to the domain denomination in the server’s denomination space.

  • Edit the Kerberos access control list file (kadm5.acl).

    Once populated, the /etc/krb5/kadm5.acl file contains every principal names that are allowed to administer the KDC. The first entry that is added might gawk similar to the following:

    lucy/admin@EXAMPLE.COM *

    This entry gives the lucy/admin principal in the EXAMPLE.COM realm the capacity to modify principals or policies in the KDC. The default installation includes an asterisk (*) to match every admin principals. This default could subsist a security risk, so it is more secure to embrace a list of every of the admin principals. perceive the kadm5.acl(4) man page for more information.

  • Edit the /etc/gss/mech file.

    The /etc/gss/mech file contains the GSSAPI based security mechanism names, its kick identifier (OID), and a shared library that implements the services for that mechanism under the GSSAPI. Change the following from:

    # Mechanism denomination kick Identifier Shared Library Kernel Module # diffie_hellman_640_0 1.3.6.4.1.42.2.26.2.4 dh640-0.so.1 diffie_hellman_1024_0 1.3.6.4.1.42.2.26.2.5 dh1024-0.so.1 kerberos_v5 1.2.840.113554.1.2.2 gl/mech_krb5.so gl_kmech_krb5

    To the following:

    # Mechanism denomination kick Identifier Shared Library Kernel Module # kerberos_v5 1.2.840.113554.1.2.2 gl/mech_krb5.so gl_kmech_krb5 diffie_hellman_640_0 1.3.6.4.1.42.2.26.2.4 dh640-0.so.1 diffie_hellman_1024_0 1.3.6.4.1.42.2.26.2.5 dh1024-0.so.1
  • Run the kadmin.local command to create principals.

    You can add as many admin principals as you need. But you must add at least one admin principal to complete the KDC configuration process. In the following example, lucy/admin is added as the principal.

    kdc1 # /usr/sbin/kadmin.local kadmin.local: addprinc lucy/admin Enter password for principal "lucy/admin@EXAMPLE.COM": Re-enter password for principal "lucy/admin@EXAMPLE.COM": Principal "lucy/admin@EXAMPLE.COM" created. kadmin.local:
  • Create a keytab file for the kadmind service.

    The following command sequence creates a special keytab file with principal entries for lucy and tom. These principals are needed for the kadmind service. In addition, you can optionally add NFS service principals, host principals, LDAP principals, and so on.

    When the principal instance is a host name, the fully qualified domain denomination (FQDN) must subsist entered in lowercase letters, regardless of the case of the domain denomination in the /etc/resolv.conf file.

    kadmin.local: ktadd -k /etc/krb5/kadm5.keytab kadmin/kdc1.example.com Entry for principal kadmin/kdc1.example.com with kvno 3, encryption kind DES-CBC-CRC added to keytab WRFILE:/etc/krb5/kadm5.keytab. kadmin.local: ktadd -k /etc/krb5/kadm5.keytab changepw/kdc1.example.com Entry for principal changepw/kdc1.example.com with kvno 3, encryption kind DES-CBC-CRC added to keytab WRFILE:/etc/krb5/kadm5.keytab. kadmin.local:

    Once you hold added every of the required principals, you can exit from kadmin.local as follows:

    kadmin.local: quit
  • Start the Kerberos daemons as shown:

    kdc1 # /etc/init.d/kdc start kdc1 # /etc/init.d/kdc.master start

    Note

    You quit the Kerberos daemons by running the following commands:

    kdc1 # /etc/init.d/kdc stop kdc1 # /etc/init.d/kdc.master stop
  • Add principals by using the SEAM Administration Tool.

    To upshot this, you must log on with one of the admin principal names that you created earlier in this procedure. However, the following command-line case is shown for simplicity.

    kdc1 # /usr/sbin/kadmin -p lucy/admin Enter password: kws_admin_password kadmin:
  • Create the master KDC host principal which is used by Kerberized applications such as klist and kprop.

    kadmin: addprinc -randkey host/kdc1.example.com Principal "host/kdc1.example.com@EXAMPLE.COM" created. kadmin:
  • (Optional) Create the master KDC root principal which is used for authenticated NFS mounting.

    kadmin: addprinc root/kdc1.example.com Enter password for principal root/kdc1.example.com@EXAMPLE.COM: password Re-enter password for principal root/kdc1.example.com@EXAMPLE.COM: password Principal "root/kdc1.example.com@EXAMPLE.COM" created. kadmin:
  • Add the master KDC’s host principal to the master KDC’s keytab file which allows this principal to subsist used automatically.

    kadmin: ktadd host/kdc1.example.com kadmin: Entry for principal host/kdc1.example.com with ->kvno 3, encryption kind DES-CBC-CRC added to keytab ->WRFILE:/etc/krb5/krb5.keytab kadmin:

    Once you hold added every of the required principals, you can exit from kadmin as follows:

    kadmin: quit
  • Run the kinit command to obtain and cache an initial ticket-granting ticket (credential) for the principal.

    This ticket is used for authentication by the Kerberos v5 system. kinit only needs to subsist quicken by the client at this time. If the Sun ONE directory server were a Kerberos client also, this step would need to subsist done for the server. However, you may want to expend this to verify that Kerberos is up and running.

    kdclient # /usr/bin/kinit root/kdclient.example.com Password for root/kdclient.example.com@EXAMPLE.COM: passwd
  • Check and verify that you hold a ticket with the klist command.

    The klist command reports if there is a keytab file and displays the principals. If the results display that there is no keytab file or that there is no NFS service principal, you need to verify the completion of every of the previous steps.

    # klist -k Keytab name: FILE:/etc/krb5/krb5.keytab KVNO Principal ---- ------------------------------------------------------------------ 3 nfs/host.example.com@EXAMPLE.COM

    The case given here assumes a sole domain. The KDC may reside on the very machine as the Sun ONE directory server for testing purposes, but there are security considerations to remove into account on where the KDCs reside.

  • With regards to the configuration of Kerberos v5 in conjunction with the Sun ONE Directory Server 5.2 software, you are finished with the Kerberos v5 part. It’s now time to gawk at what is required to subsist configured on the Sun ONE directory server side.

    Sun ONE Directory Server 5.2 GSSAPI Configuration

    As previously discussed, the Generic Security Services Application Program Interface (GSSAPI), is standard interface that enables you to expend a security mechanism such as Kerberos v5 to authenticate clients. The server uses the GSSAPI to actually validate the identity of a particular user. Once this user is validated, it’s up to the SASL mechanism to apply the GSSAPI mapping rules to obtain a DN that is the bind DN for every operations during the connection.

    The first detail discussed is the fresh identity mapping functionality.

    The identity mapping service is required to map the credentials of another protocol, such as SASL DIGEST-MD5 and GSSAPI to a DN in the directory server. As you will perceive in the following example, the identity mapping feature uses the entries in the cn=identity mapping, cn=config configuration branch, whereby each protocol is defined and whereby each protocol must achieve the identity mapping. For more information on the identity mapping feature, refer to the Sun ONE Directory Server 5.2 Documents.

    To achieve the GSSAPI Configuration for the Sun ONE Directory Server Software
  • Check and verify, by retrieving the rootDSE entry, that the GSSAPI is returned as one of the supported SASL Mechanisms.

    Example of using ldapsearch to retrieve the rootDSE and pick up the supported SASL mechanisms:

    $./ldapsearch -h directoryserver_hostname -p ldap_port -b "" -s base "(objectclass=*)" supportedSASLMechanisms supportedSASLMechanisms=EXTERNAL supportedSASLMechanisms=GSSAPI supportedSASLMechanisms=DIGEST-MD5
  • Verify that the GSSAPI mechanism is enabled.

    By default, the GSSAPI mechanism is enabled.

    Example of using ldapsearch to verify that the GSSAPI SASL mechanism is enabled:

    $./ldapsearch -h directoryserver_hostname -p ldap_port -D"cn=Directory Manager" -w password -b "cn=SASL, cn=security,cn= config" "(objectclass=*)" # # Should return # cn=SASL, cn=security, cn=config objectClass=top objectClass=nsContainer objectClass=dsSaslConfig cn=SASL dsSaslPluginsPath=/var/Sun/mps/lib/sasl dsSaslPluginsEnable=DIGEST-MD5 dsSaslPluginsEnable=GSSAPI
  • Create and add the GSSAPI identity-mapping.ldif.

    Add the LDIF shown below to the Sun ONE Directory Server so that it contains the redress suffix for your directory server.

    You need to upshot this because by default, no GSSAPI mappings are defined in the Sun ONE Directory Server 5.2 software.

    Example of a GSSAPI identity mapping LDIF file:

    # dn: cn=GSSAPI,cn=identity mapping,cn=config objectclass: nsContainer objectclass: top cn: GSSAPI dn: cn=default,cn=GSSAPI,cn=identity mapping,cn=config objectclass: dsIdentityMapping objectclass: nsContainer objectclass: top cn: default dsMappedDN: uid=${Principal},ou=people,dc=example,dc=com dn: cn=same_realm,cn=GSSAPI,cn=identity mapping,cn=config objectclass: dsIdentityMapping objectclass: dsPatternMatching objectclass: nsContainer objectclass: top cn: same_realm dsMatching-pattern: ${Principal} dsMatching-regexp: (.*)@example.com dsMappedDN: uid=$1,ou=people,dc=example,dc=com

    It is significant to originate expend of the ${Principal} variable, because it is the only input you hold from SASL in the case of GSSAPI. Either you need to build a dn using the ${Principal} variable or you need to achieve pattern matching to perceive if you can apply a particular mapping. A principal corresponds to the identity of a user in Kerberos.

    You can find an case GSSAPI LDIF mappings files in ServerRoot/slapdserver/ldif/identityMapping_Examples.ldif.

    The following is an case using ldapmodify to upshot this:

    $./ldapmodify -a -c -h directoryserver_hostname -p ldap_port -D "cn=Directory Manager" -w password -f identity-mapping.ldif -e /var/tmp/ldif.rejects 2> /var/tmp/ldapmodify.log
  • Perform a test using ldapsearch.

    To achieve this test, kind the following ldapsearch command as shown below, and reply the prompt with the kinit value you previously defined.

    Example of using ldapsearch to test the GSSAPI mechanism:

    $./ldapsearch -h directoryserver_hostname -p ldap_port -o mech=GSSAPI -o authzid="root/hostname.domainname@EXAMPLE.COM" -b "" -s base "(objectclass=*)"

    The output that is returned should subsist the very as without the -o option.

    If you upshot not expend the -h hostname option, the GSS code ends up looking for a localhost.domainname Kerberos ticket, and an oversight occurs.


  • Guide to vendor-specific IT security certifications | killexams.com actual questions and Pass4sure dumps

    Despite the wide selection of vendor-specific information technology security certifications, identifying which...

    ones best suit your educational or career needs is fairly straightforward.

    This usher to vendor-specific IT security certifications includes an alphabetized table of security certification programs from various vendors, a brief description of each certification and recommendation for further details.

    Introduction: Choosing vendor-specific information technology security certifications

    The process of choosing the prerogative vendor-specific information technology security certifications is much simpler than choosing vendor-neutral ones. In the vendor-neutral landscape, you must evaluate the pros and cons of various programs to select the best option. On the vendor-specific side, it's only necessary to result these three steps:

  • Inventory your organization's security infrastructure and identify which vendors' products or services are present.
  • Check this usher (or vendor websites, for products not covered here) to determine whether a certification applies to the products or services in your organization.
  • Decide if spending the time and money to obtain such credentials (or to fund them for your employees) is worth the resulting benefits.
  • In an environment where qualified IT security professionals can choose from numerous job openings, the benefits of individual training and certifications can subsist arduous to appraise.

    Many employers pay certification costs to develop and retain their employees, as well as to boost the organization's in-house expertise. Most perceive this as a win-win for employers and employees alike, though employers often require plenary or partial reimbursement for the related costs incurred if employees leave their jobs sooner than some specified payback epoch after certification.

    There hold been quite a few changes since the eventual survey update in 2015. The Basic category saw a substantial jump in the number of available IT security certifications due to the addition of several Brainbench certifications, in addition to the Cisco Certified Network Associate (CCNA) Cyber Ops certification, the Fortinet Network Security Expert Program and fresh IBM certifications. 

    2017 IT security certification changes

    Certifications from AccessData, Check Point, IBM and Oracle were added to the Intermediate category, increasing the total number of certifications in that category, as well. However, the number of certifications in the Advanced category decreased, due to several IBM certifications being retired. 

    Vendor IT security certifications Basic information technology security certifications 

    Brainbench basic security certificationsBrainbench offers several basic-level information technology security certifications, each requiring the candidate to pass one exam. Brainbench security-related certifications include:

  • Backup Exec 11d (Symantec)
  • Check Point FireWall-1 Administration
  • Check Point Firewall-1 NG Administration
  • Cisco Security
  • Microsoft Security
  • NetBackup 6.5 (Symantec)
  • Source: Brainbench Information Security Administrator certifications

    CCNA Cyber OpsPrerequisites: nonexistent required; training is recommended.

    This associate-level certification prepares cybersecurity professionals for travail as cybersecurity analysts responding to security incidents as share of a security operations headquarters team in a big organization.

    The CCNA Cyber Ops certification requires candidates to pass two written exams.

    Source: Cisco Systems CCNA Cyber Ops

    CCNA SecurityPrerequisites: A cogent Cisco CCNA Routing and Switching, Cisco Certified Entry Networking Technician or Cisco Certified Internetwork Expert (CCIE) certification.

    This credential validates that associate-level professionals are able to install, troubleshoot and monitor Cisco-routed and switched network devices for the purpose of protecting both the devices and networked data.

    A person with a CCNA Security certification can subsist expected to understand core security concepts, endpoint security, web and email content security, the management of secure access, and more. He should also subsist able to demonstrate skills for edifice a security infrastructure, identifying threats and vulnerabilities to networks, and mitigating security threats. CCNA credential holders also possess the technical skills and expertise necessary to manage protection mechanisms such as firewalls and intrusion prevention systems, network access, endpoint security solutions, and web and email security.

    The successful completion of one exam is required to obtain this credential.

    Source: Cisco Systems CCNA Security

    Check Point Certified Security Administrator (CCSA) R80Prerequisites: Basic lore of networking; CCSA training and six months to one year of sustain with Check Point products are recommended.

    Check Point's foundation-level credential prepares individuals to install, configure and manage Check Point security system products and technologies, such as security gateways, firewalls and virtual private networks (VPNs). Credential holders also possess the skills necessary to secure network and internet communications, upgrade products, troubleshoot network connections, configure security policies, protect email and message content, safeguard networks from intrusions and other threats, resolve attacks, manage user access in a corporate LAN environment, and configure tunnels for remote access to corporate resources.

    Candidates must pass a sole exam to obtain this credential.

    Source: Check Point CCSA Certification

    IBM Certified Associate -- Endpoint Manager V9.0Prerequisites: IBM suggests that candidates subsist highly chummy with the IBM Endpoint Manager V9.0 console. They should hold sustain taking actions; activating analyses; and using Fixlets, tasks and baselines in the environment. They should also understand patching, component services, client log files and troubleshooting within IBM Endpoint Manager.

    This credential recognizes professionals who expend IBM Endpoint Manager V9.0 daily. Candidates for this certification should know the key concepts of Endpoint Manager, subsist able to depict the system's components and subsist able to expend the console to achieve routine tasks.

    Successful completion of one exam is required.

    Editor's note: IBM is retiring this certification as of May 31, 2017; there will subsist a follow-on test available as of April 2017 for IBM BigFix Compliance V9.5 Fundamental Administration, Test C2150-627.

    Source: IBM Certified Associate -- Endpoint Manager V9.0

    IBM Certified Associate -- Security Trusteer Fraud ProtectionPrerequisites: IBM recommends that candidates hold sustain with network data communications, network security, and the Windows and Mac operating systems.

    This credential pertains mainly to sales engineers who support the Trusteer Fraud product portfolio for web fraud management, and who can implement a Trusteer Fraud solution. Candidates must understand Trusteer product functionality, know how to deploy the product, and subsist able to troubleshoot the product and resolve the results.

    To obtain this certification, candidates must pass one exam.

    Source: IBM Certified Associate -- Security Trusteer Fraud Protection

    McAfee Product SpecialistPrerequisites: nonexistent required; completion of an associated training course is highly recommended.

    McAfee information technology security certification holders possess the lore and technical skills necessary to install, configure, manage and troubleshoot specific McAfee products, or, in some cases, a suite of products.

    Candidates should possess one to three years of direct sustain with one of the specific product areas.

    The current products targeted by this credential include:

  • McAfee Advanced Threat Defense products
  • McAfee ePolicy Orchestrator and VirusScan products
  • McAfee Network Security Platform
  • McAfee Host Intrusion Prevention
  • McAfee Data Loss Prevention Endpoint products
  • McAfee Security Information and Event Management products
  • All credentials require passing one exam.

    Source: McAfee Certification Program

    Microsoft Technology Associate (MTA)Prerequisites: None; training recommended.

    This credential started as an academic-only credential for students, but Microsoft made it available to the general public in 2012.

    There are 10 different MTA credentials across three tracks (IT Infrastructure with five certs, Database with one and evolution with four). The IT Infrastructure track includes a Security Fundamentals credential, and some of the other credentials embrace security components or topic areas.

    To rate each MTA certification, candidates must pass the corresponding exam. 

    Source: Microsoft MTA Certifications

    Fortinet Network Security Expert (NSE)Prerequisites: Vary by credential.

    The Fortinet NSE program has eight levels, each of which corresponds to a part network security credential within the program. The credentials are:

  • NSE 1 -- Understand network security concepts.
  • NSE 2 -- Sell Fortinet gateway solutions.
  • NSE 3 (Associate) -- Sell Fortinet advanced security solutions.
  • NSE 4 (Professional) -- Configure and maintain FortiGate Unified Threat Management products.
  • NSE 5 (Analyst) -- Implement network security management and analytics.
  • NSE 6 (Specialist) – Understand advanced security technologies beyond the firewall.
  • NSE 7 (Troubleshooter) -- Troubleshoot internet security issues.
  • NSE 8 (Expert) -- Design, configure, install and troubleshoot a network security solution in a live environment.
  • NSE 1 is open to anyone, but is not required. The NSE 2 and NSE 3 information technology security certifications are available only to Fortinet employees and partners. Candidates for NSE 4 through NSE 8 should remove the exams through Pearson VUE.

    Source: Fortinet NSE

    Symantec Certified Specialist (SCS)This security certification program focuses on data protection, lofty availability and security skills involving Symantec products.

    To become an SCS, candidates must select an region of focus and pass an exam. every the exams cover core elements, such as installation, configuration, product administration, day-to-day operation and troubleshooting for the selected focus area.

    As of this writing, the following exams are available:

  • Exam 250-215: Administration of Symantec Messaging Gateway 10.5
  • Exam 250-410: Administration of Symantec Control Compliance Suite 11.x
  • Exam 250-420: Administration of Symantec VIP
  • Exam 250-423: Administration of Symantec IT Management Suite 8.0
  • Exam 250-424: Administration of Data Loss Prevention 14.5
  • Exam 250-425: Administration of Symantec Cyber Security Services
  • Exam 250-426: Administration of Symantec Data headquarters Security -- Server Advanced 6.7
  • Exam 250-427: Administration of Symantec Advanced Threat Protection 2.0.2
  • Exam 250-428: Administration of Symantec Endpoint Protection 14
  • Exam 250-513: Administration of Symantec Data Loss Prevention 12
  • Source: Symantec Certification

    Intermediate information technology security certifications 

    AccessData Certified Examiner (ACE)Prerequisites: nonexistent required; the AccessData BootCamp and Advanced Forensic Toolkit (FTK) courses are recommended.

    This credential recognizes a professional's proficiency using AccessData's FTK, FTK Imager, Registry Viewer and Password Recovery Toolkit. However, candidates for the certification must also hold moderate digital forensic lore and subsist able to interpret results gathered from AccessData tools.

    To obtain this certification, candidates must pass one online exam (which is free). Although a boot camp and advanced courses are available for a fee, AccessData provides a set of free exam preparation videos to abet candidates who prefer to self-study.

    The certification is cogent for two years, after which credential holders must remove the current exam to maintain their certification.

    Source: Syntricate ACE Training

    Cisco Certified Network Professional (CCNP) Security Prerequisites: CCNA Security or any CCIE certification.

    This Cisco credential recognizes professionals who are responsible for router, switch, networking device and appliance security. Candidates must also know how to select, deploy, support and troubleshoot firewalls, VPNs and intrusion detection system/intrusion prevention system products in a networking environment.

    Successful completion of four exams is required.

    Source: Cisco Systems CCNP Security

    Check Point Certified Security Expert (CCSE)Prerequisite: CCSA certification R70 or later.

    This is an intermediate-level credential for security professionals seeking to demonstrate skills at maximizing the performance of security networks.

    A CCSE demonstrates a lore of strategies and advanced troubleshooting for Check Point's GAiA operating system, including installing and managing VPN implementations, advanced user management and firewall concepts, policies, and backing up and migrating security gateway and management servers, among other tasks. The CCSE focuses on Check Point's VPN, Security Gateway and Management Server systems.

    To acquire this credential, candidates must pass one exam.

    Source: Check Point CCSE program

    Cisco Cybersecurity SpecialistPrerequisites: nonexistent required; CCNA Security certification and an understanding of TCP/IP are strongly recommended.

    This Cisco credential targets IT security professionals who possess in-depth technical skills and lore in the province of threat detection and mitigation. The certification focuses on areas such as event monitoring, event analysis (traffic, alarm, security events) and incident response.

    One exam is required.

    Source: Cisco Systems Cybersecurity Specialist

    Certified SonicWall Security Administrator (CSSA)Prerequisites: nonexistent required; training is recommended.

    The CSSA exam covers basic administration of SonicWall appliances and the network and system security behind such appliances.

    Classroom training is available, but not required to rate the CSSA. Candidates must pass one exam to become certified.

    Source: SonicWall Certification programs

    EnCase Certified Examiner (EnCE)Prerequisites: Candidates must attend 64 hours of authorized training or hold 12 months of computer forensic travail experience. Completion of a formal application process is also required.

    Aimed at both private- and public-sector computer forensic specialists, this certification permits individuals to become certified in the expend of Guidance Software's EnCase computer forensics tools and software.

    Individuals can gain this certification by passing a two-phase exam: a computer-based component and a practical component.

    Source: Guidance Software EnCE

    EnCase Certified eDiscovery Practitioner (EnCEP)Prerequisites: Candidates must attend one of two authorized training courses and hold three months of sustain in eDiscovery collection, processing and project management. A formal application process is also required.

    Aimed at both private- and public-sector computer forensic specialists, this certification permits individuals to become certified in the expend of Guidance Software's EnCase eDiscovery software, and it recognizes their proficiency in eDiscovery planning, project management and best practices, from legal hold to file creation.

    EnCEP-certified professionals possess the technical skills necessary to manage e-discovery, including the search, collection, preservation and processing of electronically stored information in accordance with the Federal Rules of Civil Procedure.

    Individuals can gain this certification by passing a two-phase exam: a computer-based component and a scenario component.

    Source: Guidance Software EnCEP Certification Program

    IBM Certified Administrator -- Security Guardium V10.0Prerequisites: IBM recommends basic lore of operating systems and databases, hardware or virtual machines, networking and protocols, auditing and compliance, and information security guidelines.

    IBM Security Guardium is a suite of protection and monitoring tools designed to protect databases and mammoth data sets. The IBM Certified Administrator -- Security Guardium credential is aimed at administrators who plan, install, configure and manage Guardium implementations. This may embrace monitoring the environment, including data; defining policy rules; and generating reports.

    Successful completion of one exam is required.

    Source: IBM Security Guardium Certification

    IBM Certified Administrator -- Security QRadar Risk Manager V7.2.6Prerequisites: IBM recommends a working lore of IBM Security QRadar SIEM Administration and IBM Security QRadar Risk Manager, as well as general lore of networking, risk management, system administration and network topology.

    QRadar Risk Manager automates the risk management process in enterprises by monitoring network device configurations and compliance. The IBM Certified Administrator -- Security QRadar Risk Manager V7.2.6 credential certifies administrators who expend QRadar to manage security risks in their organization. Certification candidates must know how to review device configurations, manage devices, monitor policies, schedule tasks and generate reports.

    Successful completion of one exam is required.

    Source: IBM Security QRadar Risk Manager Certification

    IBM Certified Analyst -- Security SiteProtector System V3.1.1Prerequisites: IBM recommends a basic lore of the IBM Security Network Intrusion Prevention System (GX) V4.6.2, IBM Security Network Protection (XGS) V5.3.1, Microsoft SQL Server, Windows Server operating system administration and network security.

    The Security SiteProtector System enables organizations to centrally manage their network, server and endpoint security agents and appliances. The IBM Certified Analyst -- Security SiteProtector System V3.1.1 credential is designed to certify security analysts who expend the SiteProtector System to monitor and manage events, monitor system health, optimize SiteProtector and generate reports.

    To obtain this certification, candidates must pass one exam.

    Source: IBM Security SiteProtector Certification

    Oracle Certified Expert, Oracle Solaris 10 Certified Security AdministratorPrerequisite: Oracle Certified Professional, Oracle Solaris 10 System Administrator.

    This credential aims to certify experienced Solaris 10 administrators with security interest and experience. It's a midrange credential that focuses on general security principles and features, installing systems securely, application and network security, principle of least privilege, cryptographic features, auditing, and zone security.

    A sole exam -- geared toward the Solaris 10 operating system or the OpenSolaris environment -- is required to obtain this credential.

    Source: Oracle Solaris Certification

    Oracle Mobile SecurityPrerequisites: Oracle recommends that candidates understand enterprise mobility, mobile application management and mobile device management; hold two years of sustain implementing Oracle Access Management Suite Plus 11g; and hold sustain in at least one other Oracle product family.

    This credential recognizes professionals who create configuration designs and implement the Oracle Mobile Security Suite. Candidates must hold a working lore of Oracle Mobile Security Suite Access Server, Oracle Mobile Security Suite Administrative Console, Oracle Mobile Security Suite Notification Server, Oracle Mobile Security Suite Containerization and Oracle Mobile Security Suite Provisioning and Policies. They must also know how to deploy the Oracle Mobile Security Suite.

    Although the certification is designed for Oracle PartnerNetwork members, it is available to any candidate. Successful completion of one exam is required.

    Source: Oracle Mobile Security Certification

    RSA Archer Certified Administrator (CA)Prerequisites: nonexistent required; Dell EMC highly recommends RSA training and two years of product sustain as preparation for the RSA certification exams.

    Dell EMC offers this certification, which is designed for security professionals who manage, administer, maintain and troubleshoot the RSA Archer Governance, Risk and Compliance (GRC) platform.

    Candidates must pass one exam, which focuses on integration and configuration management, security administration, and the data presentation and communication features of the RSA Archer GRC product.

    Source: Dell EMC RSA Archer Certification

    RSA SecurID Certified Administrator (RSA Authentication Manager 8.0)Prerequisites: nonexistent required; Dell EMC highly recommends RSA training and two years of product sustain as preparation for the RSA certification exams.

    Dell EMC offers this certification, which is designed for security professionals who manage, maintain and administer enterprise security systems based on RSA SecurID system products and RSA Authentication Manager 8.0.

    RSA SecurID CAs can operate and maintain RSA SecurID components within the context of their operational systems and environments; troubleshoot security and implementation problems; and travail with updates, patches and fixes. They can also achieve administrative functions and populate and manage users, set up and expend software authenticators, and understand the configuration required for RSA Authentication Manager 8.0 system operations.

    Source: Dell EMC RSA Authentication Manager Certification

    RSA Security Analytics CAPrerequisites: nonexistent required; Dell EMC highly recommends RSA training and two years of product sustain as preparation for the RSA certification exams.

    This Dell EMC certification is aimed at security professionals who configure, manage, administer and troubleshoot the RSA Security Analytics product. lore of the product's features, as well the capacity to expend the product to identify security concerns, are required.

    Candidates must pass one exam, which focuses on RSA Security Analytics functions and capabilities, configuration, management, monitoring and troubleshooting.

    Source: Dell EMC RSA Security Analytics

    Advanced information technology security certifications 

    CCIE SecurityPrerequisites: nonexistent required; three to five years of professional working sustain recommended.

    Arguably one of the most coveted certifications around, the CCIE is in a league of its own. Having been around since 2002, the CCIE Security track is unrivaled for those interested in dealing with information security topics, tools and technologies in networks built using or around Cisco products and platforms.

    The CCIE certifies that candidates possess expert technical skills and lore of security and VPN products; an understanding of Windows, Unix, Linux, network protocols and domain denomination systems; an understanding of identity management; an in-depth understanding of Layer 2 and 3 network infrastructures; and the capacity to configure end-to-end secure networks, as well as to achieve troubleshooting and threat mitigation.

    To achieve this certification, candidates must pass both a written and lab exam. The lab exam must subsist passed within 18 months of the successful completion of the written exam.

    Source: Cisco Systems CCIE Security Certification

    Check Point Certified Managed Security Expert (CCMSE)Prerequisites: CCSE certification R75 or later and 6 months to 1 year of sustain with Check Point products.

    This advanced-level credential is aimed at those seeking to learn how to install, configure and troubleshoot Check Point's Multi-Domain Security Management with Virtual System Extension.

    Professionals are expected to know how to migrate physical firewalls to a virtualized environment, install and manage an MDM environment, configure lofty availability, implement global policies and achieve troubleshooting.

    Source: Check Point CCMSE

    Check Point Certified Security Master (CCSM)Prerequisites: CCSE R70 or later and sustain with Windows Server, Unix, TCP/IP, and networking and internet technologies.

    The CCSM is the most advanced Check Point certification available. This credential is aimed at security professionals who implement, manage and troubleshoot Check Point security products. Candidates are expected to subsist experts in perimeter, internal, web and endpoint security systems.

    To acquire this credential, candidates must pass a written exam.

    Source: Check Point CCSM Certification

    Certified SonicWall Security Professional (CCSP)Prerequisites: Attendance at an advanced administration training course.

    Those who achieve this certification hold attained a lofty even of mastery of SonicWall products. In addition, credential holders should subsist able to deploy, optimize and troubleshoot every the associated product features.

    Earning a CSSP requires taking an advanced administration course that focuses on either network security or secure mobile access, and passing the associated certification exam.

    Source: SonicWall CSSP certification

    IBM Certified Administrator -- Tivoli Monitoring V6.3Prerequisites: Security-related requirements embrace basic lore of SSL, data encryption and system user accounts.

    Those who attain this certification are expected to subsist capable of planning, installing, configuring, upgrading and customizing workspaces, policies and more. In addition, credential holders should subsist able to troubleshoot, administer and maintain an IBM Tivoli Monitoring V6.3 environment.

    Candidates must successfully pass one exam.

    Source: IBM Tivoli Certified Administrator

    Master Certified SonicWall Security Administrator (CSSA)The Master CSSA is an intermediate between the base-level CSSA credential (itself an intermediate certification) and the CSSP.

    To qualify for Master CSSA, candidates must pass three (or more) CSSA exams, and then email training@sonicwall.com to request the designation. There are no other charges or requirements involved.

    Source: SonicWall Master CSSA

    Conclusion 

    Remember, when it comes to selecting vendor-specific information technology security certifications, your organization's existing or planned security product purchases should ordain your options. If your security infrastructure includes products from vendors not mentioned here, subsist certain to check with them to determine if training or certifications on such products are available.

    About the author:Ed Tittel is a 30-plus year IT veteran who's worked as a developer, networking consultant, technical trainer, writer and expert witness. Perhaps best known for creating the Exam Cram series, Ed has contributed to more than 100 books on many computing topics, including titles on information security, Windows OSes and HTML. Ed also blogs regularly for TechTarget (Windows Enterprise Desktop), Tom's IT Pro and GoCertify.


    SQL Server Tips and Techniques for Database Performance Optimization | killexams.com actual questions and Pass4sure dumps

    SQL servers are very complicated to grasp, even for professionals. As far as performance tuning is concerned, a lot of DBAs don't even know where to begin. However, there are a lot of facets of the gross system, which means that a SQL server consultant has to deem a lot of variables while tuning the SQL server to perfection. Although sustain is the biggest appliance in regards to performance tuning, basic knowledge, and minimal skill, it can also subsist utilized to achieve marked success. The following tips will abet in fine-tuning the SQL server for database optimization and better performance:

    Stop Making the SQL Server Wait Around

    Every time the SQL Server gets held up while functioning, it tracks the incident in the form of wait statistics. This is one of the most crucial areas to master while dealing with SQL Server. Usually, the server is paused as it is looking for specific resources to approach up and assist in completing the function. To find which resources are required, one must hold lore of wait statistics. If the reason of blockage can subsist conveniently found, solving it will no longer subsist a problem. A lot of time will subsist saved while doing this instead of looking at the I/O issues.

    Locate the I/O Bottlenecks

    I/O bottlenecks are one of the top reasons for performance issues in SQL Servers. To find if you hold I/O issues, result the given methods:

  • Check if there is lofty page_IO_latch or log_write in your wait statistics
  • Use DMF sys.dm_io_virtual_file_stats() to find any practicable areas where there are extreme I/O stalls
  • Use PerfMon counters
  • If you locate any physical I/O bottlenecks, find every the queries that are causing the problem. Fine tune them before adding additional hardware. upshot not hold up the writing to the log file, as every the DML operations will become impeded. lofty latency for log writes is also a badge of a problem.

    Find the Problem Queries

    In any SQL server, there are usually 8 to 10 queries or stored procedures that dam the activity of the system. Locating these queries and fine-tuning them will subsist advantageous for better performance and consistency without any additional hardware or software. There are a lot of queries that will cater to specific problems. An essential tip is to not give much weight to the elapsed time and let the codes upshot their travail of solving the issue. Statement lengths might subsist surprising, but they will effectively resolve the blocking issues present in the system.

    Strategize to Reuse

    As hardware is getting more powerful and affordable, the transaction rates in the database applications are ever-increasing. This is one of the reasons why programmers pack more stuff in one server and multiply the activity in the system. However, compiling the query plans is one of the most crucial operations when it comes to the performance and memory of the SQL server. There are a lot of applications that can multiply the quicken of the evolution of a function, but upshot not reuse the query plan. This can subsist detrimental over a long epoch of time as the resources and time will subsist constantly wasted over a command that has been previously run. It is better to expend counts column and order the plans by the text column so similar entries can subsist classified as a singular unit.

    Look Out for the Index Usage

    One of the most underutilised sources of information is the sys.dm_db_index_operational_stats() DMF. This DMF helps in deciphering every kinds of information for determining the indexes and how they are used. You can pick up to know it if you are scanning the index or using seeks. Even little data love elapsed time for a particular process can subsist gained. This DMF is one of the most useful tools for crucial information.

    Separate the Log and Data Files

    This is one of the most basic but disregarded rules for better performance of the system. Separating the log and data files onto other physical drives seems tedious to do, so most people skip this step. This step is quite advantageous as it can abet enhance the performance levels of the system, and the user will witness the volumes of the transactions going up.

    Topics:

    database ,database optimization ,sql server ,sql server performance issues ,database performance



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    Wordpress : http://wp.me/p7SJ6L-16L
    Issu : https://issuu.com/trutrainers/docs/000-190
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    publitas.com : https://view.publitas.com/trutrainers-inc/review-000-190-real-question-and-answers-before-you-take-test
    zoho.com : https://docs.zoho.com/file/5s0qsc9ba693c56364fd6be2a0bd6ad2ccbd3
    Calameo : http://en.calameo.com/books/004923526bc8b6c8783a5






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