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One Identity Safeguard for Privileged Sessions 6.0 LTS - Administration Guide

Preface Introduction The concepts of One Identity Safeguard for Privileged Sessions (SPS) 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) 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

Creating and editing protocol-level ICA settings

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

Figure 168: ICA Control > Settings — ICA settings

Caution:

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

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

  1. Navigate to the Settings tab of the ICA Control menu item and click to create an ICA setting profile. Enter a name for the profile (for example ica_special).

  2. Click to display the parameters of the ICA connection.

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

    • Idle timeout: Connection timeout value in milliseconds. To avoid early timeout, set it to a larger value, for example a week (604800 seconds).

      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.

    • Reconnect timeout: How many seconds SPS waits for reconnections when reliable connections are used. Reliable connections use the Common Gateway Protocol (CGP).

    • Server connection attempts: How many times SPS tries to connect to the target server.

    • Reconnection intervals: How many seconds SPS waits between two connection attempts on the server side.

    • 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.

    NOTE:

    Reliability settings only apply if you have enabled Reliable connection in ICA Control > Connections.

  4. Click Commit.

  5. Select this settings profile in the ICA settings field of your connections.

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

This section enlists the available One Identity Safeguard for Privileged Sessions (SPS) deployment scenarios in a Citrix environment. The text on the arrows are formatted in (<step number>) <target port> format. The target ports define the protocols used in the communication:

  • 80: Web service, HTTP: the list of available resources fetched in an XML format from the broker (v12 and v11 with Citrix Virtual Apps (formerly known as Citrix XenApp) only). The broker sends all the necessary information, including secure gateway and server addresses to the client.

  • 8080: XML service, HTTP+XML: application discovery, load balancing (v12 and v11 with Citrix Virtual Apps (formerly known as Citrix XenApp) only), used to fetch target to the application/desktop by the client from the broker (used for load balancing, and so on).

  • 443: XML service access or SOCKS/ICA or CGP/ICA wrapped in TLS. The client communicates with the secure gateway on this port for everything.

  • 1080: SOCKS. The client can be configured to access the target server and the broker using a SOCKS proxy.

  • 1494: Plain ICA.

  • 2598: CGP/ICA (reliable mode enabled).

Caution:

Accessing Citrix Virtual Desktops (formerly known as Citrix XenDesktop) is supported only in the following scenarios. Only reliable connections (CGP) are supported.

Client - SPS - Server (Transparent mode)

The SPS is deployed between the client and the server and the clients use predefined connection files or Program Neighbourhood, without a broker or secure gateway. The clients try to connect to their original ICA/CGP server.

Figure 169: Client - SPS - Server (Transparent mode)

Client - SPS - Server (Non-transparent mode)

The SPS is deployed between the client and the server and the clients use predefined connection files or Program Neighbourhood, without a broker or secure gateway. The clients try to connect to SPS, which can distinguish between the potential targets for example by source IP, or by having multiple IP addresses itself.

Figure 170: Client - SPS - Server (Non-transparent mode)

Client - Broker - SPS - Server (Transparent mode)

The clients are using a farm broker which gives them a list of the available applications and servers, but they do not use a secure gateway in the network. The SPS is placed between the clients and the servers in transparent mode, and it catches the connections when the clients try to connect to the server IP addresses they got from the broker.

Figure 171: Client - Broker - SPS - Server (Transparent mode)

Client - Broker - original secure gateway - Secure Ticket Authority (STA) - SPS - Server

In this setup, a secure gateway is used in the network and the SPS is placed between this gateway and the servers in transparent mode. The clients connect to the broker for the list of available applications/servers and then make their further connections through the original secure gateway. That gateway forwards the connections either to the broker or to the CGP/ICA servers, which latter the SPS intercepts and audits/controls.

Figure 172: Client - Broker - original secure gateway - Secure Ticket Authority (STA) - SPS - Server

Client - Broker - SPS as socks proxy - Server

In this setup, the SPS acts as a SOCKS proxy for the client. It can be set either manually or specified by the broker. The client then makes all its connections to the broker or to the server using SPS as a proxy and hence it can audit/control these connections.

Figure 173: Client - Broker - SPS as socks proxy - Server

To configure such a scenario, you must set the ICA Connection Policy as follows:

  • Enter the IP address of SPS into the To field. This must be the public IP address that the clients will target.

  • Select Inband destination selection, and list the IP addresses or networks of target servers in the Targets field. (For details, see Configuring inband destination selection.)

  • Select Act as a SOCKS proxy.

  • Add the IP addresses of your brokers to the Brokers field.

Troubleshooting Citrix-related problems

Accessing Citrix servers using the Remote Desktop Protocol

Accessing Citrix servers using the Remote Desktop Protocol may fail in certain situations, and the connection is terminated with the ERROR: error while decompressing packet error message on the client, or with the Event56, TermDD, The Terminal Server security layer detected an error in the protocol stream and has disconnected the client. message on the server.

To overcome this problem, modify the settings of the network card of the server, and disable the Large Send Offload option.

NOTE:

The problem is not related to using One Identity Safeguard for Privileged Sessions (SPS) in your environment.

RDP-specific settings

The following sections describe configuration settings available only for the RDP protocol. Use the following policies to control who, when, and how can access the RDP connection.

Using multiple monitors (Multimon) is supported. To enable Multimon, use one of the following three methods:

  • enable Display > Use all my monitors for the remote session option in the Remote Desktop Client (mstsc.exe) window of the client machine

  • use the /multimon switch on the mstsc.exe command line

  • add the use multimon:i:1 row to the RDP file

NOTE:

The Maximum display width and Maximum display height options should be high enough to cover the combined resolution of the client monitor setup. Connections that exceed these limits will automatically fail. Make sure to adjust these settings if your clients use multiple monitors. For example, if your clients use two monitors that have a resolution of 1920x1080 pixels each, set Maximum display width to 4000, and Maximum display height to 2200.

Limitations

The RDP connection fails due to the following Windows-side settings:

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