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One Identity Safeguard for Privileged Sessions 7.0.4 LTS - Administration Guide

Preface Introduction The concepts of One Identity Safeguard for Privileged Sessions (SPS)
The philosophy of One Identity Safeguard for Privileged Sessions (SPS) Policies Credential Stores Plugin framework Indexing Supported protocols and client applications Modes of operation Connecting to a server through One Identity Safeguard for Privileged Sessions (SPS) Archive and backup concepts Maximizing the scope of auditing IPv6 in One Identity Safeguard for Privileged Sessions (SPS) SSH host keys Authenticating clients using public-key authentication in SSH The gateway authentication process Four-eyes authorization Network interfaces High Availability support in One Identity Safeguard for Privileged Sessions (SPS) Versions and releases of One Identity Safeguard for Privileged Sessions (SPS) Accessing and configuring 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 Using plugins Forwarding data to third-party systems Starling integration
User management and access control Managing One Identity Safeguard for Privileged Sessions (SPS)
Controlling One Identity Safeguard for Privileged Sessions (SPS): reboot, shutdown Managing One Identity 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 MSSQL-specific settings RDP-specific settings SSH-specific settings Using Sudo with SPS Telnet-specific settings VMware Horizon View connections VNC-specific settings Indexing audit trails Using the Search interface Advanced authentication and authorization techniques Reports 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)
Network troubleshooting Gathering data about system problems Viewing logs on One Identity Safeguard for Privileged Sessions (SPS) Changing log verbosity level of One Identity Safeguard for Privileged Sessions (SPS) Collecting logs and system information for error reporting Collecting logs and system information of the boot process for error reporting Support hotfixes Status history and statistics Troubleshooting a One Identity Safeguard for Privileged Sessions (SPS) cluster Understanding One Identity Safeguard for Privileged Sessions (SPS) RAID status Restoring One Identity Safeguard for Privileged Sessions (SPS) configuration and data VNC is not working with TLS Configuring the IPMI from the BIOS after losing IPMI password Incomplete TSA response received Using UPN usernames in audited SSH connections
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 Configuring SPS to use an LDAP backend Glossary

Generating TSA certificate with Windows Certificate Authority on Windows Server 2012

To generate a TSA certificate with Windows Certificate Authority (CA) that works with One Identity Safeguard for Privileged Sessions (SPS), generate a CSR (certificate signing request) on a computer running OpenSSL and sign it with Windows CA, then import this certificate into SPS for timestamping.

Prerequisites

A valid configuration file for OpenSSL with the following extensions:

[ tsa_cert ]
extendedKeyUsage = critical,timeStamping

TIP: You can copy /etc/xcb/openssl-ca.cnf from SPS to the computer that will be used for signing. Rename the file to openssl-temp.cnf.

The TSA certificate is considered valid, in terms of compatibility with SPS, if the following conditions are met:

  • The X509v3 Extended Key Usage extension of the TSA certificate is set to critical with the value Time Stamping.

  • The Key Usage extension is non repudiation and digital signature (that is, without key encipherment or other key usage).

    		 Caution:

    In Encryption, do not select Allow key exchange only with key encryption (key encipherment), because it will result in errors.

The following X509v3 extensions are supported:

  • Hard requirement:

    X509v3 Extended Key Usage must be critical, and must only contain Time Stamping.

  • Optional:

    X509v3 Key Usage, if present, must be digitalSignature and/or nonRepudiation.

To generate TSA certificate with Windows Certificate Authority on Windows Server 2012

  1. Create CSR using the new configuration file: openssl req -set_serial 0 -config openssl-temp.cnf -reqexts tsa_cert -new -newkey rsa:2048 -keyout timestamp.key -out timestamp.csr -nodes

  2. Complete the required fields according to your environment:

    Generating a 2048 bit RSA private key
........................+++
......................................+++
writing new private key to 'timestamp.key'
-----
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [AU]:US
State or Province Name (full name) []:New York
Locality Name (eg, city) []:New York
Organization Name (eg, company) [Internet Widgits Pty Ltd]:Examplecompany IT Security
Organizational Unit Name (eg, section) []:Service Delivery
Common Name (eg, YOUR name) []:scb35-1-i1.tohuvabohu.examplecompany 
Email Address []:vlad@examplecompany.com

  3. Create and configure a time stamping web server template in the Certificate Authority, and use that to generate the TSA certificate.

    1. Start the Certification Authority Microsoft Management Console, and select the CA server.

    2. Right-click on Certificate Templates, and choose Manage.

      Figure 152: Managing certificate templates

      The Certificate Templates Console opens.

    3. Right-click the Web Server template, and choose Duplicate Template.

      Figure 153: Duplicating a Template

      The Properties of New Template window is displayed.

    4. Make the following changes to the new template:

      • On the General tab, change the Template display name to TSA.

        Figure 154: Creating the new template

      • On the Request Handling tab, enable the Allow private key to be exported option.

      • On the Extensions tab, make the following changes:

        Edit Application Policies

        Select Application Policies and click Edit below the list of extensions.

        Figure 155: Editing Application Policies

        Remove Server Authentication

        Select Server Authentication and click Remove.

        Figure 156: Removing Server Authentication

        Add Time Stamping

        Click Add, select Time Stamping and click OK.

        Figure 157: Adding Time Stamping

        Make Time Stamping critical

        Select Time Stamping and enable the Make this extension critical option, then click OK.

        Figure 158: Making Time Stamping critical

        Time Stamping and Critical extension are listed in the Description of Application Policies.

        Figure 159: Description of Application Policies

        Edit Key Usage

        Select Key usage, click Edit. Enable the Signature is proof of origin (nonrepudiation) option.

        Select Allow key exchange without key encryption (key agreement).

        Click OK.

        Figure 160: Editing Key Usage

        The following are listed in the Description of Key Usage.

        Figure 161: Description of Key Usage

      • On the Security tab, select Authenticated Users, and set Enroll to Allow.

        Figure 162: Configuring permissions for the template

    5. Click Apply. Click OK. The new TSA template is now displayed in the list of templates.

      Figure 163: The new TSA template is now displayed in the list of templates

    6. Close this window and return to the Certification Authority main screen, and select the Certificate Templates folder.

      Figure 164: Certificate Templates

      Right-click under the list, and choose New > Certificate Template to Issue.

      Figure 165: Certificate Template to Issue

      The Enable Certificate Templates window is displayed.

      Figure 166: Enable the new template

    7. Select the TSA certificate template, and choose OK. Close this window.

    8. Open the command line, and issue the following command:

      certreq -submit -attrib "CertificateTemplate:TSA" <CSR>

      Replace <CSR> with the full path of the CSR created earlier (in the second step).

    9. The Certification Authority List is displayed. Select the CA.

    10. The Save Certificate window is displayed. Choose an output folder.

      The certificate is generated to the specified folder.

  4. In SPS, navigate to Basic Settings > Management > SSL certificates.

  5. Click next to TSA X.509 certificate, browse for the previously generated certificate, and click Upload.

  6. Click next to TSA private key, browse for the previously generated key, and click Upload.

    NOTE: If the root CA (the CA X.509 certificate field under Basic Settings > Management > SSL certificates) that is used for other certificates on SPS is different from the CA that was used to sign the TSA certificate, a warning is displayed. In this scenario, ignore this warning.

General connection settings

Connections determine if a server can be accessed from a particular client.

  • The policies used in the connection definition can restrict the availability of the connection based on the user name, time, authentication method, and so on. Channel policies (see Creating and editing channel policies) determine if a particular channel can be used within an already established connection.

  • The policies used in the channel policy can restrict the availability of the channel based on the server and the client IP address, user name, and so on. The types of policies available in a connection depend on the protocol (SSH, RDP, and so on) enabled in the connection.

SPS compares the connection policies to the parameters of the connection request one-by-one, starting with the first policy in the policy list. SPS applies to the connection the first connection policy that completely matches the connection request.

This section describes how to configure connections, and details the general configuration options and policies that apply to every type of connection that SPS can control: HTTP, ICA, RDP, SSH, Telnet, and VNC. For a detailed list of supported protocol versions, see Supported protocols and client applications.

Protocol-specific configuration options are described in their respective sections: HTTP-specific settings, ICA-specific settings, RDP-specific settings, SSH-specific settings, Telnet-specific settings, and VNC-specific settings.

Configuring connections

This section describes how to configure connections.

NOTE:

When configuring HTTP or SSH connections, avoid using the IP address configured for administrator or user login on SPS.

To configure connections

  1. Select the type of connection from the main menu.

    • To configure an HTTP connection, select HTTP Control > Connections.

    • To configure an ICA connection, select ICA Control > Connections.

    • To configure a Remote Desktop connection, select RDP Control > Connections.

    • To configure a Secure Shell connection, select SSH Control > Connections.

    • To configure a Telnet connection, select Telnet Control > Connections.

    • To configure a VNC connection, select VNC Control > Connections.

  2. Click to define a new connection and enter a name that identifies the connection (for example, admin_mainserver).

    TIP: Use descriptive names that give information about the connection, for example, refer to the name of the accessible server, the allowed clients, and so on.

    Figure 167: <Protocol name> Control > Connections — Configuring connections

  3. In the From field, enter the IP address of the client that is permitted to access the server. To list additional clients, click .

    You can use an IPv4 or an IPv6 address. To limit the IP range to the specified address, set the prefix to 32 (IPv4) or 128 (IPv6).

    Alternatively, you can enter a hostname instead. SPS automatically resolves the hostname to an IP address.

    NOTE: Note the following limitations:

    • To resolve the hostnames, SPS uses the Domain Name Servers set in the Basic Settings > Network > Naming > Primary DNS server and Secondary DNS server fields.

    • If the Domain Name Server returns multiple IP addresses, SPS randomly selects from the list.

  4. In the To field, enter the IP address that the clients request.

    You can use an IPv4 or an IPv6 address. To limit the IP range to the specified address, set the prefix to 32 (IPv4) or 128 (IPv6).

    Alternatively, you can enter a hostname instead. SPS automatically resolves the hostname to an IP address.

    NOTE: Note the following limitations:

    • To resolve the hostnames, SPS uses the Domain Name Servers set in the Basic Settings > Network > Naming > Primary DNS server and Secondary DNS server fields.

    • If the Domain Name Server returns multiple IP addresses, SPS randomly selects from the list.

    • In non-transparent mode, enter the IP address of an SPS logical interface.

      For more information on setting up logical network interfaces on SPS, see Managing logical interfaces.

      For more information, see Non-transparent mode.

    • In transparent mode, enter the IP address of the protected server.

      For more information, see Transparent mode.

    To add additional IP addresses, click .

  5. If the clients use a custom port to address the server instead of the default port of the protocol, in the Port field, enter the port number that the clients request. To list additional port numbers, click .

    NOTE: SPS can handle a maximum of 15 unique ports per connection policy. If you want to add more than 15 custom ports, create additional connection policies.

  6. Non-transparent mode: In the Target field, enter the IP address and port number of the target server. SPS connects all incoming client-side connections to this server.

    For details on organizing connections in non-transparent mode, see Organizing connections in non-transparent mode.

    Figure 168: <Protocol name> Control > Connections — Configuring non-transparent connections

  7. If needed, configure advanced settings (for example, network address translation, channel policy, gateway authentication, various policies, or other settings).

  8. To save the connection, click Commit.

    TIP: To temporarily disable a connection, deselect the checkbox of the connection.

  9. If needed, reorder the list of the connection policies. You can move connection policies by clicking the and buttons.

    SPS compares the connection policies to the parameters of the connection request one-by-one, starting with the first policy in the policy list. SPS applies to the connection the first connection policy that completely matches the connection request.

  10. Depending on your needs and on your environment, you can configure the following settings for your connections:

    • Modify the destination or source addresses of the connections.

      For more information, see Modifying the destination address and Modifying the source address.

    • Select a Backup Policy and an Archiving Policy for the audit trails and indexes of the connection.

      For more information on creating backup and archive policies, see Data and configuration backups and Archiving.

      If you have indexed trails, the index is archived every 30 days.

      		 Caution:

      Hazard of data loss! Make sure you also back up your data besides archiving it.

      For more information, see Data and configuration backups.

      If a system crash occurs, you can lose up to 30 days of index, since the index is only archived every 30 days.

      NOTE: The backup and archive policies set for the connection apply only to the audit trails and indexes of the connection. General data about the connections that is displayed on the Search page is archived and backed up as part of the system-backup process of SPS.

    • To timestamp, encrypt, or sign the audit trails, configure an Audit Policy to suit your needs.

      For more information, see Audit policies.

      		 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, encrypt the upstream traffic in the audit trail using a separate certificate from the downstream traffic.

      For more information, see .

    • Require the users to authenticate themselves not only on the target server, but on SPS as well.

      For more information, see Configuring gateway authentication.

    • Require four-eyes authorization on the connections, with the possibility of an auditor monitoring the connection in real-time.

      For more information, see Configuring four-eyes authorization.

    • In the case of certain connections and scenarios (for example SSH authentication, gateway authentication, Network Level Authentication (NLA) connections), SPS can authenticate you to an LDAP database, or retrieve your group memberships. To use these features, select an LDAP Server.

      For more information, see Authenticating users to an LDAP server.

      NOTE: To display the usergroups that can access a specific Connection Policy, open the Connection Policy, then on the Connections page, select Show connection permissions > Show.

    • To limit the number of new connection requests accepted from a single client IP address per minute, in the Connection rate limit field, enter the maximum number of accepted connections.

    • If you have joined an SPP appliance to SPS and want to share specific SPS functions with SPP, use the Functions shared with SPP option.

      For more information, see Sharing SPS functions with SPP.

      To share an RDP or an SSH connection policy with SPP to initiate sessions, select Share connection policy with SPP.

      For more information, see sections Sharing RDP connection policies with SPP and Sharing SSH connection policies with SPP.

    NOTE: Protocol-specific configuration options are described in their respective sections:

  11. If your clients and servers support it, configure the connection to use strong encryption.

  12. For graphical connections, adjust the settings of your servers for optimal performance:

    		•  Caution:

      For optimal performance and text recognition in graphical protocols, disable antialiasing on your servers. Antialiased text in the audit trails of RDP, VNC, and X11 connections is not recognized by the OCR engine of the Audit Player. The indexer service recognizes antialiased text, but its accuracy depends on the exact antialiasing settings. To properly index the trails of these connections, disable antialiasing.

      Note that by default, antialiasing is enabled on Windows Vista and later versions. Antialiasing is also called font smoothing. To optimize performance, disable ClearType, which is an antialiasing technology used on Microsoft Windows.

    • When processing RDP connections, SPS attempts to extract the username from the connection.

      To ensure that your users can access the target servers only when their username is recorded, see Usernames in RDP connections.

Modifying the destination address

The destination address is the address of the server where the clients finally connect to.

To modify the destination address of a connection

  1. Navigate to the Connections tab storing the connection and click to display the details of the connection.

    Figure 169: <Protocol name> Control > Connections — Configuring connections

  2. The Target section allows you to configure Network Address Translation (NAT) on the server side of One Identity Safeguard for Privileged Sessions (SPS). Destination NAT determines the target IP address of the server-side connection. Set the destination address as required. The following options are available:

    NOTE: It is not possible to direct the traffic to the IP addresses belonging to SPS.

    • Use the original target address of the client: Connect to the IP address targeted by the client. This is the default behavior in transparent mode. This option is not available in non-transparent mode. For HTTP connections, you can use the Use the original target address of the client option only when the Act as HTTP proxy option is disabled.

    • NAT destination address: Perform a network address translation on the target address. Enter the target address in IP address/Prefix format.

      Alternatively, you can enter a hostname instead. SPS automatically resolves the hostname to an IP address.

      NOTE: Note the following limitations:

      • To resolve the hostnames, SPS uses the Domain Name Servers set in the Basic Settings > Network > Naming > Primary DNS server and Secondary DNS server fields.

      • If the Domain Name Server returns multiple IP addresses, SPS randomly selects from the list.

    • Use fixed address: Enter the IP address and port number of the server. The connection will connect always to this address, redirecting the clients to the server.

      Alternatively, you can enter a hostname instead. SPS automatically resolves the hostname to an IP address.

      NOTE: Note the following limitations:

      • To resolve the hostnames, SPS uses the Domain Name Servers set in the Basic Settings > Network > Naming > Primary DNS server and Secondary DNS server fields.

      • If the Domain Name Server returns multiple IP addresses, SPS randomly selects from the list.

    • Inband destination selection: Extract the address of the server from the username. Note that for HTTP connections, you can use the Inband destination selection option only when the Act as HTTP proxy option is enabled. For details, see Configuring inband destination selection.

  3. Optional Step: to enable a custom DNS server to be used for target selection in server-side Channel Policies, select Enable Custom Target DNS server, then enter the IP address of the custom DNS server to look up target addresses and resolve FQDN or wildcard FQDN addresses in the Target fields of your Channel Policies.

  4. Click .

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