Safeguard Authentication Services 5.1.2

Indexing certain attributes used by the Safeguard Authentication Services Unix agent can have a dramatic effect on the performance and scalability of your Unix and Active Directory integration project.

The Control Center, Preferences > Schema Attributes > Unix Attributes panel displays a warning if the Active Directory configuration is not optimized according to best practices.

One Identity recommends that you index the following attributes in Active Directory:

User UID Number
User Unix Name
Group GID Number
Group Unix Name

Note: LDAP display names vary depending on your Unix attribute mappings.

It is also a best practice to add all Unix identity attributes to the global catalog. This reduces the number of Active Directory lookups that need to be performed by Safeguard Authentication Services Unix agents.

Click the Optimize Schema link to run a script that updates these attributes as necessary. The Optimize Schema option is only available if you have not optimized the Unix schema attributes defined for use in Active Directory.

This operation requires administrative rights in Active Directory. If you do not have the necessary rights to optimize your schema, it generates a schema optimization script. You can send the script to an Active Directory administrator who has rights to make the necessary changes.

All schema optimizations are reversible and no schema extensions are applied in the process.

Use Safeguard Authentication Services PowerShell

Unix-enabling a user and user group (PowerShell Console)

The following procedure explains how to Unix-enable a user and user group using the Authentication Services PowerShell Console.

To Unix-enable a user and user group

From the Control Center, navigate to Tools > Safeguard Authentication Services.
Click Safeguard Authentication Services PowerShell Console.

Note: The first time you launch the PowerShell Console, it asks you if you want to run software from this untrusted publisher. Enter A at the PowerShellprompt to import the digital certificate to your system as a trusted entity. Once you have done this, you will never be asked this question again on this machine.

At the PowerShell prompt, enter the following:

Enable-QasUnixGroup UNIXusers | Set-QasUnixGroup -GidNumber 1234567

Note: You created the UNIXusers group in a previous exercise. See Adding an Active Directory group account.

Unix attributes are generated automatically based on the Default Unix Attributes settings that were configured earlier and look similar to the following:

ObjectClass              : group
DistinguishedName        : CN=UNIXusers,CN=Users,DC=example,DC=com
ObjectGuid               : 71aaa88-d164-43e4-a72a-459365e84a25
GroupName                : UNIXusers
UnixEnabled              : True
GidNumber                : 1234567
AdsPath                  : LDAP://windows.example.com/CN=UNIXusers,CN=Users,
DC=example,DC=com
CommonName               : UNIXusers

At the PowerShell prompt, to Unix-enable an Active Directory user using the default Unix attribute values, enter:

Enable-QasUnixUser ADuser | Seet-QasUnixUser -PrimaryGidNumber 1234567

The Unix properties of the user display:

ObjectClass              : user
DistinguishedName        : CN=ADuser,CN=Users,DC=example,DC=com
ObjectGuid               : 5f83687c-e29d-448f-9795-54d272cf9f25
UserName                 : ADuser
UnixEnabled              : True
UidNumber                : 80791532
PrimaryGidNumber         : 1234567
Gecos                    :
HomeDirectory            : /home/ADuser
LoginShell               : /bin/sh
AdsPath                  : LDAP://windows.example.com/CN=ADuser,CN=Users,
DC=example,DC=com
CommonName               : ADuser

To disable the ADuser user for Unix login, at the PowerShell prompt enter:
```
Disable-QasUnixUser ADuser
```
Note: To clear all Unix attribute information, enter:
```
Clear-QasUnixUser ADuser
```
Now that you have Unix-disabled the user, that user can no longer log in to systems running the Safeguard Authentication Services agent.
From the Control Center, under Login to remote host, enter:
- Host name: The Unix host name.
- User name: The Active Directory user name, ADuser.
Click Login to log in to the Unix host with your Active Directory user account.

A PuTTY window displays.

Note: PuTTY attempts to log in using Kerberos, but will fail over to password authentication if Kerberos is not enabled or properly configured for the remote SSH service.
Enter the password for the Active Directory user account.

You will receive a message that says Access denied.

PowerShell cmdlets

Safeguard Authentication Services supports the flexible scripting capabilities of PowerShell to automate administrative, installation, and configuration tasks. A wide range of new PowerShell cmdlets are included in Safeguard Authentication Services.

Table 21: PowerShell cmdlets
cmdlet name	Description
Add-QasLicense	Installs an Safeguard Authentication Services license file in Active Directory. Licenses installed this way are downloaded by all UNIX clients.
Clear-QasUnixGroup	Clears the UNIX identity information from group object in Active Directory. The group is no longer UNIX-enabled and will be removed from the cache on the Safeguard Authentication Services UNIX clients.
Clear-QasUnixUser	Clears the UNIX identity information from a user object in Active Directory. The user is no longer UNIX-enabled will be removed from the cache on the Safeguard Authentication Services UNIX clients.
Disable-QasUnixGroup	UNIX-disables a group and will be removed from the cache on the Safeguard Authentication Services UNIX clients. Similar to Clear-QasUnixGroup except the UNIX group name is retained.
Disable-QasUnixUser	Removes an Active Directory user‘s ability to log in on UNIX hosts. (The user will still be cached on the Safeguard Authentication Services UNIX clients.)
Enable-QasUnixGroup	Enables an Active Directory group for UNIX by giving a UNIX GID number. The GID number is automatically generated.
Enable-QasUnixUser	Enables an Active Directory user for UNIX. The required account attributes UID number, primary GID number, GECOS, login shell, and home directory are generated automatically.
Get-QasConfiguration	Returns an object representing the Safeguard Authentication Services application configuration data stored in Active Directory.
Get-QasGpo	Returns a set of objects representing GPOs with UNIX and/or macOS settings configured. This cmdlet is in the Quest.AuthenticationServices.GroupPolicy module.
Get-QasLicense	Returns objects representing the Safeguard Authentication Services product licenses stored in Active Directory.
Get-QasOption	Returns a set of configurable global options stored in Active Directory that affect the behavior of Safeguard Authentication Services.
Get-QasSchema	Returns the currently configured schema definition from the Safeguard Authentication Services application configuration.
Get-QasSchemaDefinition	Returns a set of schema templates that are supported by the current Active Directory forest.
Get-QasUnixGroup	Returns an object that represents an Active Directory group as a UNIX group. The returned object can be piped into other cmdlets such as Clear-QasUnixGroup or Enable-QasUnixGroup.
Get-QasUnixUser	Returns an object that represents an Active Directory user as a UNIX user. The returned object can be piped into other cmdlets such as Clear-QasUnixUser or Enable-QasUnixUser.
Get-QasVersion	Returns the version of Safeguard Authentication Services currently installed on the local host.
Move-QasConfiguration	Moves the Safeguard Authentication Services application configuration information from one container to another in Active Directory.
New-QasAdConnection	Creates an object that represents a connection to Active Directory using specified credentials. You can pass a connection object to most Safeguard Authentication Services cmdlets to execute commands using different credentials.
New-QasArsConnection	Creates an object that represents a connection to an Active Roles Server using the specified credentials. You can pass a connection object to most Safeguard Authentication Services cmdlets to execute commands using different credentials.
New-QasConfiguration	Creates a default Safeguard Authentication Services application configuration in Active Directory and returns an object representing the newly created configuration.
Remove-QasConfiguration	Accepts a Safeguard Authentication Services application configuration object as input and removes it from Active Directory. This cmdlet produces no output.
Remove-QasLicense	Accepts an Safeguard Authentication Services product license object as input and removes the license from Active Directory. This cmdlet produces no output.
Set-QasOption	Accepts an Safeguard Authentication Services options set as input and saves it to Active Directory.
Set-QasSchema	Accepts an Safeguard Authentication Services schema template as input and saves it to Active Directory as the schema template that will be used by all Safeguard Authentication Services UNIX clients.
Set-QasUnixGroup	Accepts a UNIX group object as input and saves it to Active Directory. You can also set specific attributes using command line options.
Set-QasUnixUser	Accepts a UNIX user object as input and saves it to Active Directory. You can also set specific attributes using command line options.

Safeguard Authentication Services PowerShell cmdlets are contained in PowerShell modules named Quest.AuthenticationServices and Quest.AuthenticationServices.GroupPolicy. Use the Import-Module command to import the Safeguard Authentication Services commands into an existing PowerShell session.

Safeguard Authentication Services 5.1.2 - Upgrade Guide

Active Directory optimization

Use Safeguard Authentication Services PowerShell

Unix-enabling a user and user group (PowerShell Console)

PowerShell cmdlets

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Safeguard Authentication Services 5.1.2 - Upgrade Guide

Active Directory optimization

Use Safeguard Authentication Services PowerShell

Unix-enabling a user and user group (PowerShell Console)

PowerShell cmdlets