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One Identity Safeguard for Privileged Sessions 6.0.11 - Administration Guide

Preface Introduction The concepts of One Identity Safeguard for Privileged Sessions (SPS) Cloud deployment considerations The Welcome Wizard and the first login Basic settings
Supported web browsers and operating systems The structure of the web interface Network settings Configuring date and time System logging, SNMP and e-mail alerts Configuring system monitoring on SPS Data and configuration backups Archiving and cleanup Forwarding data to third-party systems Joining to One Identity Starling
User management and access control Managing One Identity Safeguard for Privileged Sessions (SPS)
Controlling One Identity Safeguard for Privileged Sessions (SPS): reboot, shutdown Managing Safeguard for Privileged Sessions (SPS) clusters Managing a high availability One Identity Safeguard for Privileged Sessions (SPS) cluster Upgrading One Identity Safeguard for Privileged Sessions (SPS) Managing the One Identity Safeguard for Privileged Sessions (SPS) license Accessing the One Identity Safeguard for Privileged Sessions (SPS) console Sealed mode Out-of-band management of One Identity Safeguard for Privileged Sessions (SPS) Managing the certificates used on One Identity Safeguard for Privileged Sessions (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 interface Searching session data on a central node in a cluster Advanced authentication and authorization techniques Reports The One Identity Safeguard for Privileged Sessions (SPS) RPC API The One Identity Safeguard for Privileged Sessions (SPS) REST API One Identity Safeguard for Privileged Sessions (SPS) scenarios Troubleshooting One Identity Safeguard for Privileged Sessions (SPS) Using SPS with SPP Configuring external devices Using SCP with agent-forwarding Security checklist for configuring One Identity Safeguard for Privileged Sessions (SPS) Jumplists for in-product help LDAP user and group resolution in SPS Appendix: Deprecated features Glossary

One Identity Safeguard for Privileged Sessions (SPS) deployment scenarios in a VMware environment

One Identity Safeguard for Privileged Sessions (SPS) supports a variety of deployment scenarios, which make it really flexible when it comes to deployment. The following network topologies illustrate typical SPS VMware Horizon View deployment scenarios.

Client - Broker - SPS - Server

SPS is deployed between the Broker and the virtual desktop, where the RDP traffic is embedded into a HTTPS tunnel between the Client and the Broker.

Figure 201: Client - Broker - SPS - Server

Client - SPS - Server

SPS is deployed between the Client and the virtual desktop, the client makes a direct RDP connection to the Server, without tunneling it through the Broker.

Figure 202: Client - SPS - Server

VNC-specific settings

The following sections describe configuration settings available only for the Virtual Networking (VNC) protocol. Use the following policies to control who, when, and how can access the VNC connections. For a list of supported client applications, see Supported protocols and client applications.

Caution:

To monitor VNC connections, enable user authentication on your VNC server. One Identity Safeguard for Privileged Sessions (SPS) automatically terminates unauthenticated connections.

  • Channel Policy: The VNC protocol has only one channel type with no special configuration options. The available channel policy options are the following: Type, From, Target, Time policy, Four-eyes, Record audit trail, Gateway groups, Remote groups, and Content policy. For details on configuring these options, see Creating and editing channel policies.

  • TLS support: To enable TLS-encryption for your VNC connections, see Enabling TLS-encryption for VNC connections.

  • VNC settings: VNC settings determine the parameters of the connection on the protocol level, including timeout value, and so on. For details, see Creating and editing protocol-level VNC settings.

  • User lists in Channel Policies: User lists affect VNC connections only when they are used together with Gateway Authentication. For details, see Configuring gateway authentication.

  • Content Policy: Content policies allow you to inspect the content of the connections for various text patterns, and perform an action if the pattern is found. For example, SPS can send an e-mail alert if a specific window title appears in RDP and VNC connections. For details, see Creating a new content policy.

Enabling TLS-encryption for VNC connections

The following steps describe how to enable TLS-encryption in a VNC connection policy.

NOTE:

Some vendors may use custom protocol elements and TLS-encryption that do not have available documentation. As a result, these cannot be audited by One Identity Safeguard for Privileged Sessions (SPS). Regardless of vendors, only the custom features described in the RFC 6143 are supported. As for encryptions, only those completely TLS-encapsulated streams can be processed where the TLS encryption process was started before the VNC protocol handshake.

Prerequisites

Depending on your requirements, one or more of the following might be needed:

  • An X.509 certificate and its private key. SPS can display the same certificate to the peers on both the client and the server side. You can also use different certificates for the client and server sides. Use your own PKI system to generate these certificates, as they cannot be created on SPS. Note that the Common Name of the certificate must contain the domain name or the IP address of SPS, otherwise the clients might reject the certificate.

  • To generate certificates on-the-fly for a connection, a signing certificate authority is required. For details on creating a signing CA, see Signing certificates on-the-fly.

  • To require the peers of SPS to have an X.509 certificate signed by a specific Certificate Authority, a list of the trusted certificate authorities is needed. For details on creating a trusted CA list, see Verifying certificates with Certificate Authorities.

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

To enable TLS-encryption in a VNC connection policy

  1. Navigate to VNC Control > Connections and select the connection policy in which you want to enable TLS.

    Figure 203: VNC Control > Connections — Enabling TLS-encryption for VNC connections

  2. Set the encryption settings used between the client and SPS in the Client-side transport security settings section.

    To require encryption, select TLS. When the connection is encrypted, SPS has to show a certificate to the peer.

    • To use the same certificate for every peer, complete the following steps.

      1. Generate and sign a certificate for One Identity Safeguard for Privileged Sessions (SPS) in your PKI system, then export the certificate and its private key.

      2. Select Use the same certificate for each connection.

      3. Select Private key for host certificate, click and upload the private key.

      4. Select X.509 host certificate, click and upload the certificate.

    • To use a separate certificate for every connection, complete the following steps.

      1. Create a certificate authority that will be used to sign the certificates that SPS shows to the peer. For details, see Signing certificates on-the-fly.

      2. Select Generate certificate on-the-fly.

      3. Select the certificate authority to use in the Signing CA field.

  1. Select how SPS should authenticate the peers.

    • To permit connections from peers without requesting a certificate, select No certificate is required.

    • To permit connections only from peers with a valid certificate that was signed by a specific CA, complete the following steps.

      1. Create a list of trusted Certificate Authorities that will be used to validate the certificates of the peers. For details on creating a trusted CA list, see Verifying certificates with Certificate Authorities.

      2. Select Only accept certificates authenticated by the trusted CA list.

      3. Select the certificate authority list to use in the Trusted CA field.

  1. Set the encryption settings used between SPS and the server in the Server-side transport security settings section.

    To require encryption, select TLS. When the connection is encrypted, SPS has to show a certificate to the peer.

  2. Select the certificate to show to the server.

    • If the server does not require a certificate from SPS, select None.

    • To use the same certificate for every peer, complete the following steps.

      1. Generate and sign a certificate for SPS in your PKI system, and export the certificate and its private key.

      2. Select Use the same certificate for each connection.

      3. Select Private key for host certificate, click and upload the private key.

      4. Select X.509 host certificate, click and upload the certificate.

    • To use a separate certificate for every connection, complete the following steps.

      1. Create a certificate authority that will be used to sign the certificates that SPS shows to the peer. For details, see Signing certificates on-the-fly.

      2. Select Generate certificate on-the-fly.

      3. Select the certificate authority to use in the Signing CA field.

    Limitations

    NOTE:

    When using the Use the same certificate for each connection option and the connection policy that allows access to multiple servers using HTTPS, the client applications will display a warning because the certificate used in the connection will be invalid (namely, the Common Name of the certificate will not match the hostname or IP address of the server).

    NOTE:

    Import the certificate of the signing Certificate Authority to your clients. Otherwise, the client applications will display a warning due to the unknown Certificate Authority.

  1. Select how SPS should authenticate the peers.

    • To permit connections from peers without requesting a certificate, select No certificate is required.

    • To permit connections only from peers with a valid certificate that was signed by a specific CA, complete the following steps.

      1. Create a list of trusted Certificate Authorities that will be used to validate the certificates of the peers. For details on creating a trusted CA list, see Verifying certificates with Certificate Authorities.

      2. Select Only accept certificates authenticated by the trusted CA list.

      3. Select the certificate authority list to use in the Trusted CA field.

  1. Click Commit.

    Expected result

    The encryption settings are applied to the connection policy.

Creating and editing protocol-level VNC settings

VNC settings determine the parameters of the connection on the protocol level, including timeout value, and so on.

Caution:

Modifying the VNC settings is recommended only to advanced users. Do not modify these settings unless you exactly know what you are doing.

To create a new VNC settings profile or edit an existing one

  1. Navigate to VNC Control > Settings and click to create a VNC setting profile. Enter a name for the profile (for example vnc_special).

  1. Click to display the parameters of the connection.

  2. Modify the parameters as needed. The following parameters are available:

    • Idle timeout: Timeout value for the connection in milliseconds. To avoid early timeout, set it to a larger value, for example a week (604800000 milliseconds).

      Caution:

      Determining if a connection is idle is based on the network traffic generated by the connection, not the activity of the user. For example, if an application or the taskbar of a graphical desktop displays the time which is updated every minute, it generates network traffic every minute, negating the effects of timeout values greater than one minute and preventing One Identity Safeguard for Privileged Sessions (SPS) from closing the connection.

    • Enable pre channel check: Select this option to evaluate the connection and channel policies before establishing the server-side connection. That way if the connection is not permitted at all, SPS does not establish the server-side connection.

    • To configure TLS security settings on both the Client side and the Server side, proceed to TLS security settings.

      Figure 204: <Protocol> Control > Settings > TLS security settings - configuring TLS security settings

      • Cipher strength specifies the cipher string OpenSSL will use. The following settings options are possible:

        • Recommended: this setting only uses ciphers with adequate security level.

        • Custom: this setting allows you to specify the list of ciphers you want to permit SPS to use in the connection. This setting is only recommended in order to ensure compatibility with older systems. For more details on customizing this list, check the 'openssl-ciphers' manual page on your SPS appliance.

          For example: ALL:!aNULL:@STRENGTH

      • Minimum TLS version specifies the minimal TLS version SPS will offer during negotiation. The following settings options are possible:

        • TLS 1.2: this setting will only offer TLS version 1.2 during negotiation. This is the recommended setting.

        • TLS 1.1: this setting will offer TLS version 1.1 and later versions during negotiation.

        • TLS 1.0: this setting will offer TLS version 1.0 and later versions during negotiation.

      NOTE:

      Note that SPS only permits TLS-encrypted connections. SSLv3 is not supported.

  3. Click Commit.

  1. Select this settings profile in the VNC settings field of your connections.

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