Default Domain Policy

Microsoft Windows Server 2008

Aaron Tiensivu , in Securing Windows Server 2008, 2008

Fine-Grain Password and Account Lockout Policies

Windows Server 2008 creates a Default Domain Policy GPO for every domain in the forest. This domain is the main method used to set some security-related policies such as password expiration and account lockout.

You can use fine-grain password and account lockout policy to apply custom countersign and account lockout policy settings to individual users and global security groups within a domain.

The domain countersign policy allows you to specify a range of password security options, including how frequently users change their passwords, how long passwords must be, how many unique passwords must exist used before a user can reuse one, and how complex passwords must be.

You can apply account lockout to prevent successful brute force password guessing. If it's not enabled, someone can keep attempting to guess username/password combinations very rapidly using a software-based assault. The proper combination of settings can effectively block these types of security vulnerabilities.

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Mitigating Network Vulnerabilities

Thomas West. Shinder , ... Debra Littlejohn Shinder , in Windows Server 2012 Security from Stop to Border and Beyond, 2013

Define the Address Space of Your Intranet Network

ane.

In the Group Policy Management snap-in (gpmc.msc), open the Default Domain Policy.

2.

From the Group Policy Direction Editor, expand Computer Configuration, Policies, Administrative Templates, Network then click Network Isolation.

3.

In the right pane, double-click Individual network ranges for apps.

4.

In the Private network ranges for apps dialog box, click Enabled. In the Private subnets text box, type the private subnets for your intranet (separated past commas).

5.

Double-click Subnet definitions are authoritative. Click Enabled if you desire the subnet definitions that you previously created to be the single source for your subnet definition.

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MCSA/MCSE 70-294: Working with Grouping Policy in an Active Directory Environment

Michael Cross , ... Thomas Due west. Shinder Dr. Technical Editor , in MCSE (Exam 70-294) Study Guide, 2003

Automatically Enrolling User and Computer Certificates

If your organization is using Certificate Services to manage user and estimator certificates, you might want to enable autoenrollment of the certificates. Your certification authorities (CAs) need to be configured to support autoenrollment, but without enabling this setting in policy, users have to go through a manual process to enroll.

You volition prepare the autoenrollment policy in both the user configuration and the computer configuration of the GPO. Since y'all will probably want the settings to utilise to all systems in the organization, enable the settings in the Default Domain Policy object at the root of each domain in the organisation. Follow these steps to enable this security setting:

1.

Open Active Directory Users and Computers.

2.

Right-click the domain container in the console tree and select Backdrop.

3.

Click the Group Policy tab and select the Default Domain Policy.

4.

Click Edit to open the Group Policy Object Editor.

5.

Expand the Figurer Configuration object, and and then the Windows Settings object.

vi.

Aggrandize the Security Settings object, and then select the Public Key Policies object.

seven.

Double-click the Autoenrollment Settings object in the right-hand pane.

8.

Click the Enroll certificates automatically selection button.

nine.

Enable the Renew expired certificates, update pending certificates, and remove revoked certificates check box.

ten.

Enable the Update certificates that apply certificate templates check box. Your settings should now appear equally shown in Effigy 9.28.

Figure 9.28. Configuring Autoenrollment Settings
xi.

Click Apply, and and then click OK.

12.

Expand the User Configuration object in the console tree, and then the Windows Settings object.

xiii.

Aggrandize the Security Settings object, and and so select the Public Key Policies object.

xiv.

Double-click the Autoenrollment Settings object in the correct-hand pane.

15.

Click the Enroll certificates automatically option button.

sixteen.

Enable the Renew expired certificates, update awaiting certificates, and remove revoked certificates bank check box.

17.

Enable the Update certificates that utilize certificate templates check box.

18.

Click Employ, and so click OK.

If your organization has multiple domains, repeat this process for each domain in the environment. Retrieve that simply systems running Windows 2000 or afterwards will be able to participate in autoenrollment of certificates.

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MCSE/MCSA seventy–294: Creating User and Group Strategies

Michael Cantankerous , ... Thomas W. Shinder Dr. Technical Editor , in MCSE (Test 70-294) Study Guide, 2003

i.

From the Windows Server 2003 desktop, click Offset | Administrative Tools | Active Directory Users and Computers.

ii.

Right-click the domain you lot desire to administrate, and then select Backdrop.

3.

Select the Default Domain Policy , and dick the Edit button.

four.

Navigate to the account lockout policy by clicking Computer Configuration | Windows Settings | Security Settings | Account Policies | Business relationship Lockout Policy. You lot'll see the screen shown in Figure three.7.

Figure 3.vii. Account Lockout Policy Objects

Using Account Lockout Policy, you tin can configure the post-obit settings:

■

Account lockout elapsing This option determines the amount of fourth dimension that a locked-out business relationship will remain inaccessible. Setting this option to 0 means that the business relationship will remain locked out until an administrator manually unlocks it. Select a lockout duration that will deter intruders without crippling your authorized users; 30 to lx minutes is sufficient for virtually environments.

■

Account lockout threshold This option determines the number of invalid logon attempts that can occur before an account will be locked out. Setting this selection to 0 means that accounts on your network will never be locked out.

■

Reset account lockout counter afterwards This option defines the corporeality of fourth dimension in minutes after a bad logon effort that the "counter" will reset. If this value is set up to 45 minutes, and user jsmith types his password incorrectly 2 times before logging on successfully, his running tally of failed logon attempts will reset to 0 afterwards 45 minutes have elapsed. Be conscientious non to set this option as well high, or your users could lock themselves out through uncomplicated typographical errors.

five.

For each detail that yous desire to configure, right-click the item and select Properties. To illustrate, we create an Account lockout threshold of three invalid logon attempts. In the screen shown in Figure three.8, place a cheque mark next to Define this policy setting, and so enter the appropriate value.

Figure 3.8. Configuring the Business relationship Lockout Threshold

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Microsoft Windows Server 2008

Aaron Tiensivu , in Securing Windows Server 2008, 2008

Enabling Group Policy Settings for BitLocker and TPM Agile Directory Backup

Here are the steps to follow to configure Group Policies for clients and servers to utilize BitLocker Active Directory Backup.

1

Log on with a domain administrator to whatever Domain Controller.

two

Click Get-go, click All Programs, click Authoritative Tools, and and then click Grouping Policy Management.

3

In the Group Policy Direction Console, aggrandize the woods tree down to the domain level.

four

Correct-click the Default Domain Policy and select Edit.

5

In the Group Policy Management Editor, open Estimator Configuration, open Administrative Templates, open Windows Components, and then open BitLocker Drive Encryption.

6

In the right pane, double-click Plow on BitLocker backup to Active Directory.

7

Select the Enabled option, select Require BitLocker fill-in to AD DS, and click OK.

To further enable storage of TPM recovery information:

8

Open Computer Configuration, open up Administrative Templates, open System, and and so open Trusted Platform Module Services.

9

In the right pane, double-click Turn on TPM backup to Agile Directory.

10

Select the Enabled option, select Crave TPM fill-in to AD DS, and click OK.

Alarm

In this example, we use the Default Domain Policy to configure Active Directory fill-in for BitLocker and TPM recovery information. However, in a real-world scenario yous would create a new GPO that contains only BitLocker specific settings!

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MCSE 70-293: Planning, Implementing, and Maintaining a Security Framework

Martin Grasdal , ... Dr. Thomas W. Shinder Technical Editor , in MCSE (Exam seventy-293) Study Guide, 2003

Security Policies

Windows Server 2003 makes information technology easy to ready security policies on local computers or for a domain, using Group Policy. To prepare security policies on a local computer, open the Local Security Policy GPO by selecting Showtime | All Programs | Administrative Tools and selecting Local Security Policy (you will not find this option on domain controllers). To gear up security policies in a domain, edit the default domain policy as follows:

1.

Select Start | All Programs | Administrative Tools | Agile Directory Users and Computers.

two.

Correct-click the domain node in the left pane and click Properties.

3.

Choose the Grouping Policy tab.

4.

Select the Default Domain Policy and click Edit.

5.

In the left pane of the GPO Editor, expand Calculator Configuration, and then Windows Settings, then Security Settings.

In either case, you will run across the post-obit folders nether Security Settings:

■

Account Policies Countersign, Acount Lockout and Kerberos policy settings.

■

Local Policies Audit, User rights assignment and Security options, Guest account names, CD-Rom access, driver installation and logon prompts.

■

Public Key Policies Document submission, document requests and installations and create and so distribute certificate trust lists.

■

Software Restriction Policies Used to create hash rules, document rules. File identity through a specified path and the ability to create an internet zone rule.

■

IP Security Policies Used to create and manage IPSec security policies.

In the case of the domain policy, you volition also encounter other entries under Security Settings, including Restricted Groups, System Services, Registry, File Organization, and Wireless Networks.

Some of the most important aspects of your security strategy include the configuration of countersign policies, Kerberos policies, account lockout policies, and user rights policies. In the following sections, nosotros will discuss each of these in more particular.

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Defining Protection Policies

Brien Posey , in GFI Network Security and PCI Compliance Power Tools, 2009

Active Directory Based Deployment

Fifty-fifty though GFI EndPointSecurity contains a built-in mechanism for deploying agents, you have the option of deploying agents through the Active Directory. If you lot look at Effigy 9.nine, you'll detect that there is a Deploy Through Active Directory pick located in the Computers section. If you click on this link, you lot'll be taken to a screen that gives you the chance to relieve a re-create of the agent to a location of your choice. In order for Active Directory based deployment to work correctly, you need to relieve this file to a central location that can be accessed by all of your domain controllers.

Effigy 9.9. You Can Deploy an Amanuensis Through the Active Directory

One time you take copied the file to an attainable location, it is time to configure the Active Directory to assign the agent to the target computers. Continue in mind that the Active Directory provides two different methods for deploying software. You can either assign applications, or yous can publish them. In this case, information technology is better to assign the application, because assigning an application causes information technology to automatically exist installed on the PC without any user intervention. In contrast, publishing an application gives end users the selection of installing or uninstalling the application at will. If you would similar to learn more than about publishing and assigning applications, then check out my article at: www.brienposey.com/kb/assigning_and_publishing_applications.asp.

The steps that you would use to assign the agent through a grouping policy setting vary depending on which group policy you lot want to use. To assign the agent as a part of the domain policy, perform the following steps on a domain controller:

i

Open the Active Directory Users and Computers console.

2

Right-click on the container representing your domain, and choose the Backdrop command from the resulting shortcut menu.

3

When the domain's backdrop sheet appears, select the Group Policy tab.

4

Select the Default Domain Policy , as shown in Figure 9.10, and click the Edit button.

5

When the Group Policy Object Editor opens, navigate through the console tree to Reckoner Configuration | Software Settings | Software Installation.

half-dozen

Correct-click on the Software Installation container, and select the New | Package commands from the resulting shortcut menus, every bit shown in Figure 9.11.

7

When prompted, select the amanuensis installation package, and click Open.

eight

If y'all see a message stating that Windows cannot verify that the path is a network location, make sure that you take accessed the installation package through a mapped drive or a Universal Naming Convention (UNC) share (non a local drive letter), and click Yes to apply the path.

9

Choose the Assigned pick from the Deploy Software dialog box, as shown in Figure ix.12.

x

Click OK.

Figure nine.10. Select the Default Domain Policy, and Click the Edit Button

Figure nine.xi. Right-Click on the Software Installation Container, and Select the New | Package Commands From the Resulting Shortcut Menus

Figure nine.12. Choose the Assigned Pick and Click OK

Active Directory deployment volition just piece of work if the managed machines are domain members and are subject to the Group Policy Object that y'all are using to assign the agent application.

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MCSA/MCSE 70-294: Active Directory Infrastructure Overview

Michael Cross , ... Thomas Westward. Shinder Dr. Technical Editor , in MCSE (Exam 70-294) Report Guide, 2003

Command-Line Tools

Windows Server 2003 provides a number of command-line tools that you tin can use for managing Active Directory. These tools use commands typed in at the prompt, and can provide a number of services that are useful in administering the directory. The command-line tools for Active Directory include:

▪

Cacls Used to view and modify discretionary access control lists (DACLs) on files.

▪

Cmdkey Used to create, list, and delete usernames, passwords, and credentials.

▪

Csvde Used to import and export data from the directory.

▪

Dcgpofix Restores Group Policy Objects (GPOs) to the state they where in when initially installed.

▪

Dsadd Used to add users, groups, computers, contacts, and OUs.

▪

Dsget Displays the properties of an object in Agile Directory.

▪

Dsmod Used to alter users, groups, computers, servers, contacts, and OUs.

▪

Dsmove Renames an object without moving information technology, or moves an object to a new location.

▪

Ldifde Used to create, modify, and delete objects from Active Directory.

▪

Ntdsutil Used for general management of Agile Directory.

▪

Whoami Provides data on the user who's currently logged on.

In the sections that follow, we will briefly hash out each of these tools, and bear witness yous how they tin assist you in performing certain tasks when administering Active Directory.

Cacls

Cacls is used to view and modify the permissions a user or group has to a particular resource. Cacls provides this power by allowing you to view and change DACLs on files. A DACL is a listing of access control entries (ACEs) for users and groups, and includes permissions the user has to a file. The syntax for using this tool is:

Cacls filename

Cacls also has a number of switches, which are parameters y'all tin enter on the command line to use a specific functionality. Table 1.ane lists the switches for Cacls.

Table 1.ane. Switches for the Cacls Tool

Parameter Description
/t Change the DACLs of files in the current directory and all subdirectories.
/east Edit the DACL.
/r username Revokes the users' rights.
/c Ignore any errors that might occur when changing the DACL.
/g username permission Grants rights to a specified user. Rights that can be granted are: n (None), r (Read), w (Write), c (Change), and f (Full Control).
/p username permission Replaces the rights of a specified user. The rights that can be replaced are: northward (None), r (Read), west (Write), c (Change), and f (Total Control).
/d username Denies access to a specified user.

Cmdkey

Cmdkey is used to create, view, edit, and delete the stored usernames, passwords, and credentials. This allows you to log on using 1 business relationship, and view and change the credentials of another user. As with other command-line tools nosotros'll discuss, cmdkey has a number of switches that provided needed parameters for the tool to office. Table ane.2 lists these parameters.

Table i.2. Switches for the Cmdkey Tool

Parameter Clarification
/add:targetname Adds a username and password to the list, and specifies the calculator or domain (using the targetname parameter) with which the entry volition be associated.
/generic Adds generic credentials to the listing.
/smartcard Instructs cmdkey to call up credentials from a smart card.
/user: username Provides the username with which this entry is to exist associated. If the username parameter isn't provided, you will be prompted for it.
/pass: countersign Provides the password to store with this entry. If the countersign parameter isn't provided, yous will be prompted for it.
/delete: {targetname | /ras} Deletes the username and password from the listing. If the targetname parameter is provided, the specified entry will exist deleted. If /ras is included, the stored remote access entry is deleted.
/list: targetname Lists the stored usernames and credentials. If the targetname parameter isn't provided, all of the stored usernames and credentials will be listed.

Csvde

Csvde is used to import and export information from Active Directory. This data is comma delimitated, so that a comma separates each value. Exporting information in this way allows you lot to and then import it into other applications (for example, Microsoft Office tools such equally Access and Excel).Table ane.three lists the parameters for this command.

Table 1.three. Switches for the Csvde Tool

Parameter Description
-i Used to specify the import way.
-f filename Specifies the filename to import or export information to.
-due south servername Sets the DC that will be used to import or export data.
-c string1 string2 Replaces the value of string1 with string2. This is often used when importing data between domains, and the DN of the domain data is being exported from (string1) needs to exist replaced with the name of the import domain (string2).
-Five Verbose manner.
-j path Specifies the location for log files.
-t portnumber The portnumber parameter is used to specify the LDAP port number. By default, the LDAP port is 389 and the GC port is 3268.
-d BaseDN The BaseDN parameter is used to specify the DN of a search base of operations for information export.
-p scope Used to set the search scope. The value of the scope parameter tin can be Base, OneLevel, or SubTree.
-l LDAPAttributeList Specifies a listing of attributes to return in an export query. If this parameter isn't used, and so all attributes are returned in the query.
-o LDAPAttributeList Specifies a listing of attributes to omit in an export query.
-k Used to omit paged searches.
-m Used to omit attributes that utilise to certain objects in Active Directory.
-n Specifies that binary values are to exist omitted from an export.
-k If errors occur during an import, this parameter specifies that csvde should go on processing.
-a username countersign Specifies the username and password to be used when running this command. By default, the credentials of the user currently logged on are used.
-b username domain countersign Specifies the username, domain, and password to use when running this command. By default, the credentials of the user currently logged on are used.

Dcgpofix

Dcgpofix is used to restore the default domain policy and default DC's policy to they way they were when initially created. By restoring these GPOs to their original states, any changes that were made to them are lost. This tool has only two switches associated with it:

▪

/ignoreschema Ignores the version number of the schema.

▪

/target: {domain | dc | both} Specifies the target domain, DC, or both.

When the /ignoreschema switch is used, dcgpofix will ignore the version number of Active Directory's schema when it runs. This will allow information technology to work on other versions of Active Directory, equally opposed to the one on the computer on which dcgpofix was initially installed. Yous should use the version of dcgpofix that was installed with your installation of Windows Server 2003, equally GPOs might not be restored if versions from other operating systems are used.

Dsadd

Dsadd is used to add objects to Active Directory. The objects you can add with this command-line tool are users, computers, groups, OUs, contacts, and quota specifications. To add any of these objects, you lot would enter the following commands at the command prompt:

▪

dsadd user Adds a user to the directory

▪

dsadd computer Adds a figurer to the directory

▪

dsadd grouping Adds a grouping to the directory

▪

dsadd ou Adds an OU to the directory

▪

dsadd contact Adds a contact to the directory

▪

dsadd quota Adds a quota specification to the directory

While the commands for this tool are straightforward, there is a variety of arguments associated with each. For total details on these arguments, blazon the command at the control prompt followed by /? . This will display a list of parameters for each control.

Dsget

Dsget is used to view the backdrop of objects in Agile Directory. The objects you can view with dsget are users, groups, computers, servers, sites, subnets, OUs, contacts, partitions, and quota specifications. To view the properties of these objects, enter the following commands:

▪

dsget user Displays the backdrop of a user

▪

dsget grouping Displays the properties of a group and its membership

▪

dsget computer Displays the properties of a computer

▪

dsget server Displays the properties of a DC

▪

dsget site Displays the backdrop of a site

▪

dsget subnet Displays the backdrop of a subnet

▪

dsget ou Displays the backdrop of an OU

▪

dsget contact Displays the properties of a contact

▪

dsget partition Displays the properties of a directory partition

▪

dsget quota Displays the properties of a quota specification

While the commands for this tool are straightforward, there is a variety of arguments associated with each. For full details on these arguments, type the command at the control prompt followed by /? . This will display a list of parameters for each command.

Dsmod

Dsmod is used to alter existing objects in Agile Directory. The objects y'all can change using dsmod are users, groups, computers, servers, OUs, contacts, partitions, and quota specifications. To edit these objects, enter the following commands:

▪

dsmod user Modifies the attributes of a user in the directory

▪

dsmod group Modifies the attributes of a group in the directory

▪

dsmod computer Modifies a computer in the directory

▪

dsmod server Modifies the backdrop of a DC

▪

dsmod ou Modifies the attributes of an OU in the directory

▪

dsmod contact Modifies the attributes of a contact in the directory

▪

dsmod partition Modifies a directory partition

▪

dsmod quota Displays the properties of a quota specification

While the commands for this tool are straightforward, there is a multifariousness of arguments associated with each. For full details on these arguments, type the command at the command prompt followed by /?. This will display a list of parameters for each command.

Dsmove

Dsmove is used to either rename or movement an object within a domain. Using this tool, you can rename an object without moving it in the directory, or motility it to a new location inside the directory tree.

Exam Alert

The dsmove tool can't be used to motility objects to other domains.

Renaming or moving an object requires that you use the DN, which identifies the object's location in the tree. For case, if you have an object chosen JaneD in an OU chosen Bookkeeping, located in a domain called syngress.com, the DN is:

CN   =   JaneD, OU   =   Bookkeeping, DC   =   syngress, DC   =   com

The –newname switch is used to rename objects using the DN. For case, let's say you lot wanted to change a user business relationship'south name from JaneD to JaneM. To do so, you would use the following command:

Dsmove CN   =   JaneD, OU   =   Accounting, DC   =   syngress, DC   =   com -newname JaneM

The –newparent switch is used to move objects within a domain. For instance, let'southward say the user whose name you but changed was transferred from Bookkeeping to Sales, which you've organized in a different OU container. To move the user object, you would use the following control:

Dsmove CN   =   JaneM, OU   =   Accounting, DC   =   syngress, DC   =   com -newparent OU   =   Sales, DC   =   syngress, DC   =   com

In improver to the –newname and –newparent switches, yous can also employ the parameters listed in Table 1.four to control how this tool is used.

Table 1.4. Switches for Dsmove

Parameter Description
{-southward Server –d Domain} Specifies a remote server or domain to connect to. By default, dsmove will connect to the DC in the domain you logged on to.
-u Username Specifies the username to use when logging on to a remote server.
-p {Countersign | *} word. Specifies the password to use when logging on to a remote server. If yous type the * symbol instead of a password, you are then prompted to enter the pass-
-q Sets dsmove to suppress output.
{-uc | -uco | -uci} Specifies dsmove to format input and output in Unicode.

Ldifde

Ldifde is used to create, alter, and delete objects from the directory, and can also be used to extend the schema. An additional utilise for this tool is to import and export user and grouping data. This allows yous to view exported data in other applications, or populate Active Directory with imported data. To perform such tasks, ldifde relies on a number of switches that enable it to perform specific tasks, listed in Table ane.5.

Table i.v. Switches for Ldifde

Parameter Description
-I Sets Idifde to import information. If this isn't specified, then the tool volition work in Export mode.
-f Filename Specifies the proper name of the file to import or export.
-south Servername Specifies the DC that will be used to perform the import or export.
-c string1 string2 Replaces the value of string1 with string2. This is often used when importing information betwixt domains, and the DN of the domain information is being exported from (string1) needs to be replaced with the name of the import domain (string2).
-v Verbose mode.
-j path Specifies the location for log files.
-t portnumber The portnumber parameter is used to specify the LDAP port number. By default, the LDAP port is 389 and the GC port is 3268.
-d BaseDN The BaseDN parameter is used to specify the DN of a search base of operations for data export.
-p scope Used to set up the search scope. The value of the telescopic parameter can be Base of operations, OneLevel, or SubTree.
-r LDAPfilter Specifies a search filter for exporting data.
-I LDAPAttributeList Specifies a listing of attributes to return in an export query. If this parameter isn't used, then all attributes are returned in the query.
-o LDAPAttributeList Specifies a listing of attributes to omit in an export query.
-g Used to omit paged searches.
-m Used to omit attributes that apply to sure objects in Active Directory.
-n Specifies that binary values are to be omitted from an consign.
-k If errors occur during an import, this parameter specifies that ldifde should continue processing.
-a username password Specifies the username and password to exist used when running this command. Past default, the credentials of the user who'south currently logged on are used.
-b username domain password Specifies the username, domain, and countersign to use when running this control. By default, the credentials of the user who's currently logged on are used.

Ntdsutil

Ntdsutil is a full general-purpose control-line tool that can perform a variety of functions for managing Agile Directory. Using Ntdsutil, you can:

▪

Perform maintenance of Agile Directory

▪

Perform an administrative restore of Agile Directory

▪

Modify the Time To Live (TTL) of dynamic data

▪

Manage domains

▪

Manage information in the directory and log files

▪

Block certain IP addresses from querying the directory, and set LDAP policies

▪

Remove metadata from DCs that were retired or improperly uninstalled

▪

Manage Security Identifiers (SIDs)

▪

Manage master performance roles (Domain Naming Master, Schema Principal, Iinfrastructure Master, PDC Emulator, and RID Master)

Typing ntdsutil at the command prompt volition load the tool and the prompt will change to ntdsutil:. As shown in Effigy ane.23, past typing help at the command line, y'all tin can view different commands for the tasks being performed. Afterwards entering a control, typing assistance over again will provide other commands that can be used. For example, typing metadata cleanup later on first starting ntdsutil, and and so typing help will display a list of commands relating to metadata cleanup. This allows y'all to use the control as if y'all were navigating through menus containing other commands. You can return to a previous card at any time, or exit the program past typing Quit.

Figure one.23. NTDSUTIL

Whoami

Whoami is a tool for displaying data nearly the user who is currently logged on. Using this tool, you can view your domain name, calculator proper noun, username, group names, logon identifier, and privileges. The amount of data displayed depends on the parameters that are entered with this command. Table 1.6 lists the available parameters.

Tabular array 1.6. Switches for Whoami

Parameter Clarification
/upn Displays the UPN of the user currently logged on.
/fqdn Displays the FQDN of the user currently logged on.
/logonid Displays the Logon ID.
/user Displays the username of the user currently logged on.
/groups Displays group names.
/priv Displays privileges associated with the currently logged-on user.
/fo format Controls the format of how information is displayed. The format parameter can have the value of: table (to testify output in a table format), list (to list output), or csv to brandish in a comma-delimited format.
/all Displays username, groups, SIDs, and privileges for the user currently logged on.

Practice 1.03

Using WHOAMI

one.

From the Windows Start carte du jour, click Control Prompt.

ii.

When the Command Prompt opens, type WHOAMI at the prompt so press the Enter primal. The output will show the business relationship y'all are currently logged on with.

3.

Type WHOAMI /UPN and and so printing Enter. The UPN of the currently logged-on user will be displayed on the screen.

four.

Type WHOAMI /FQDN and then press Enter. The FQDN of the user that'due south currently logged on will appear on the screen.

5.

Blazon WHOAMI /ALL and then press Enter. A listing of privileges associated with the account you are currently logged on with should appear on the screen.

6.

Type WHOAMI /ALL and so press Enter, As shown in Figure 1.24, a listing of information relating to the business relationship y'all're currently logged on with will be listed on the screen.

Figure 1.24. Results of Using the WHOAMI /ALL Control

Implementing Active Directory Security and Access Command

Security is an important part of Windows Server 2003 and Active Directory. Two principal methods of implementing security are user authentication and admission command. Authentication is used to verify the identity of a user or other objects, such as applications or computers. After information technology's been determined they are who or what they say they are, the process continues by giving them the level of access they deserve. Access control manages what users (or other objects) tin can utilize, and how they can use them. By combining authentication and admission control, a user is permitted or denied access to objects in the directory.

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https://www.sciencedirect.com/scientific discipline/article/pii/B9781931836944500076