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One Identity Safeguard for Privileged Sessions 5.8.0 - Administration Guide

Preface Introduction The concepts of SPS The Welcome Wizard and the first login Basic settings User management and access control Managing SPS
Controlling SPS: reboot, shutdown Managing Safeguard for Privileged Sessions clusters Managing a high availability SPS cluster Upgrading SPS Managing the SPS license Accessing the SPS console Sealed mode Out-of-band management of SPS Managing the certificates used on SPS
General connection settings HTTP-specific settings ICA-specific settings RDP-specific settings SSH-specific settings Telnet-specific settings VMware Horizon View connections VNC-specific settings Indexing audit trails Using the Search (classic) interface Using the Search interface Searching session data on a central node in a cluster Advanced authentication and authorization techniques Reports The SPS RPC API The SPS REST API SPS scenarios Troubleshooting SPS Configuring external devices Using SCP with agent-forwarding Security checklist for configuring SPS Jumplists for in-product help Third-party contributions About us

Configuring time policies

Purpose:

The time policy determines the timeframe when the users are permitted to access a particular channel. By default, there is no time-based restriction, all channels are available 7x24. Complete the following procedure to create a time policy or edit an existing one:

Figure 142: Policies > Time Policies — Configuring time policies

Steps:
  1. Navigate to the Time Policies tab of the Policies menu item and click to create a new time policy. Enter a name for the policy (for example workhoursonly).

  2. Click to display the days of the week and the allowed intervals.

  3. Enter the intervals for each day when the users are allowed to access the connection. Use the hh:mm format (for example from 08:00 to 16:00).

  4. To add multiple intervals for a day, click .

  5. Click Commit.

  6. To actually restrict access to a connection or a channel based on the policy created in the previous steps:

    • Select this policy in the Time Policy field of the channel policy.

    • Click Commit.

Creating and editing user lists

Purpose:

User lists are white- or blacklists of usernames that allow fine-control over who can access a connection or a channel. Complete the following procedure to create a new user list or edit an existing one:

Caution:

User Lists are white- or blacklists of usernames that determine who can access the server remotely. However, this cannot prevent a user from accessing the server from a local terminal.

Figure 143: Policies > User Lists — Configuring user lists

Steps:
  1. Navigate to the User Lists tab of the Policies menu and click to create a new user list. Enter a name for the list User List field (for example serveradmins).

    Caution:

    Usernames, the names of user lists, and the names of usergroups are case sensitive.

  2. Click to display the list of users.

  3. Select the default policy of the user list. Select Reject for a whitelist, that is, to allow access only to the members of the list. Select Accept for a blacklist, that is, to allow access to everyone except the members of the list.

  4. Click and enter a username into the displayed field. Repeat this step until all required usernames are listed.

    Caution:

    Usernames, the names of user lists, and the names of usergroups are case sensitive.

  5. Click Commit to save the list.

  6. To actually restrict access to a channel based on the user list created in the previous steps:

    • Navigate to the Channel Policies tab of the type of connection you want to control and click to display the details of the policy.

    • Click in the Group section to add a new group to the policy and enter the name of the group. Repeat this step to add other groups.

      Caution:

      Usernames, the names of user lists, and the names of usergroups are case sensitive.

      NOTE:

      When listing more groups, users of any of the listed groups can access the channel. For details, see Creating and editing channel policies.

      When listing both a whitelist and blacklist in the Group section and a username appears on both lists, the user will be able to access the channel.

    • Click Commit.

Authenticating users to an LDAP server

Purpose:

You can use the LDAP policy to set the details of the LDAP server you wish to use to:

  • authenticate gateway users (available in SSH and Telnet as Authentication Policy)
  • query gateway groups (available for RDP, Telnet, SSH, and ICA)
  • query remote groups (available for RDP, Telnet, SSH, ICA, and HTTP)

NOTE: This feature is not available for Virtual Network Computing (VNC).

NOTE:
  • In RDP (including RDG) connections, you can use the LDAP policy for group membership check only, you cannot use it as the authentication backend. However, you can use a trusted AD domain for authentication and LDAP for group membership check.

    In this case, LDAP will only use the username without the domain name to verify the group membership.

  • SPS treats user and group names in a case insensitive manner if the matching rule for the attribute in question is case insensitive in the LDAP database.

To configure an LDAP policy for a connection, complete the following steps.

Steps:
  1. Navigate to Policies > LDAP Servers and click to create a new LDAP policy.

    Figure 144: Policies > LDAP Servers — Configuring LDAP Server policies

  2. Enter a name for the policy (for example ldapservers).

  3. Enter the IP address or hostname and port of the LDAP server into the Server Address field. If you want to encrypt the communication between SPS and the LDAP server, in case of TLS, enter 636 as the port number, or in case of STARTTLS, enter 389 as the port number.

    Use an IPv4 address.

    To add multiple servers, click and enter the address of the next server. If a server is unreachable, SPS will try to connect to the next server in the list in failover fashion.

    Caution:

    If you will use a TLS-encrypted with certificate verification to connect to the LDAP server, use the full domain name (for example ldap.example.com) in the Server Address field, otherwise the certificate verification might fail. The name of the LDAP server must appear in the Common Name of the certificate.

  4. Select the type of your LDAP server in the Type field. Select Active Directory to connect to Microsoft Active Directory servers, or Posix to connect to servers that use the POSIX LDAP scheme.

  5. In the User Base DN field, enter the name of the DN to be used as the base of queries regarding users (for example: OU=People,DC=demodomain,DC=exampleinc).

    NOTE:

    You must fill in this field. It is OK to use the same value for User Base DN and Group Base DN.

    However, note that specifying a sufficiently narrow base for the LDAP subtrees where users and groups are stored can speed up LDAP operations.

  6. In the Group Base DN field, enter the name of the DN to be used as the base of queries regarding groups (for example: OU=Groups,DC=demodomain,DC=exampleinc).

    NOTE:

    You must fill in this field. It is OK to use the same value for User Base DN and Group Base DN.

    However, note that specifying a sufficiently narrow base for the LDAP subtrees where users and groups are stored can speed up LDAP operations.

  7. In the Bind DN field, enter the Distinguished Name that SPS should use to bind to the LDAP directory (for example: CN=Administrator,DC=demodomain,DC=exampleinc).

    NOTE:
    • SPS accepts both pre-win2000-style and Win2003-style account names (User Principal Names), for example administrator@example.com is also accepted.

  8. To configure or change the password to use when binding to the LDAP server, click Change and enter the password. Click Update. Click Commit.

    NOTE:

    SPS accepts passwords that are not longer than 150 characters. The following special characters can be used: !"#$%&'()*+,-./:;<=>?@[\]^-`{|}

  1. Skip this step if you use passwords to authenticate the users.

    • If you use public-key authentication and receive the public key of the users from the LDAP database, enter the name of the LDAP attribute that stores the public keys of the users into the Publickey attribute name field. For details on using public-key authentication with the LDAP database, see Configuring public-key authentication on SPS.

    • If you use X.509 certificate for authentication and receive the certificates of the users from the LDAP database, enter the name of the LDAP attribute that stores the certificates of the users into the Certificate attribute name field.

  2. Skip this step if you use passwords to authenticate the users.

    • If you use public-key authentication and want SPS to generate server-side encryption keys on-the-fly and store them in a separate attribute on the LDAP server, enter the name of the attribute into the Generated publickey attribute name field.

    • If you use certificate authentication and want SPS to generate server-side certificates on-the-fly and store them in a separate attribute on the LDAP server, enter the name of the attribute into the Generated certificate attribute name field.

  3. If you use an Active Directory, you can enable nested groups.

    Caution:

    Nested groups are only useful when authenticating the users to Microsoft Active Directory, but can slow down the query and cause the connection to timeout if the LDAP tree is very large. In this case, disable the Enable nested groups option.

  1. If you want to encrypt the communication between SPS and the LDAP server, in Encryption, select the TLS or the STARTTLS option and complete the following steps:

    Figure 145: Policies > LDAP Servers — Configuring encryption

    NOTE:

    TLS-encrypted connection to Microsoft Active Directory is supported only on Windows 2003 Server and newer platforms. Windows 2000 Server is not supported.

    • If you want SPS to verify the certificate of the server, select Only accept certificates issued by the specified CA certificate and click the icon in the CA X.509 certificate field. A pop-up window is displayed.

      Click Browse, select the certificate of the Certificate Authority (CA) that issued the certificate of the LDAP server, then click Upload. Alternatively, you can paste the certificate into the Copy-paste field and click Set.

      SPS will use this CA certificate to verify the certificate of the server, and reject the connections if the verification fails.

      Caution:

      If you will use a TLS-encrypted with certificate verification to connect to the LDAP server, use the full domain name (for example ldap.example.com) in the Server Address field, otherwise the certificate verification might fail. The name of the LDAP server must appear in the Common Name of the certificate.

    • If the LDAP server requires mutual authentication, that is, it expects a certificate from SPS, enable Authenticate as client. Generate and sign a certificate for SPS, then click in the Client X.509 certificate field to upload the certificate. After that, click in the Client key field and upload the private key corresponding to the certificate.

    One Identity recommends using 2048-bit RSA keys (or stronger).

  1. Optional Step: If your LDAP server uses a custom POSIX LDAP scheme, you might need to set which LDAP attributes store the username, or the attributes that set group memberships. For example, if your LDAP scheme does not use the uid attribute to store the usernames, set the Username (userid) attribute name option. You can customize group-membership attributes using the POSIX group membership attribute name and GroupOfUniqueNames membership attribute name options.

  1. To commit the changes, click Commit.

  2. Click Test to test the connection.

    NOTE:

    Testing TLS and STARTTLS-encrypted connections is not supported.

Audit policies

An audit trail is a file storing the recorded activities of the administrators. Audit trails are not created automatically for every connection: auditing must be enabled manually in the channel policy used in the connection. The available default channel policies enable auditing for the most common channels. Audit trails are automatically compressed, and can be encrypted, timestamped, and signed as well. Audit trails can be replayed using the Safeguard Desktop Player application (for details, see Safeguard Desktop Player User Guide), or directly in your browser (for details, see Replaying audit trails in your browser in Search (classic)).

TIP:

By default, every connection uses the built-in default audit policy. Unless you use a custom audit policy, modifying the default audit policy will affect every audited channel of the connections passing through SPS.

Caution:

In RDP connections, if the client uses the Windows login screen to authenticate on the server, the password of the client is visible in the audit trail. To avoid displaying the password when replaying the audit trail, you are recommended to encrypt the upstream traffic in the audit trail using a separate certificate from the downstream traffic. For details, see "Encrypting audit trails" in the Administration Guide.

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