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One Identity Safeguard for Privileged Sessions 6.0.2 - 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) 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

Encrypting audit trails

To prevent unauthorized access to the audit trail files, One Identity Safeguard for Privileged Sessions (SPS) can encrypt:

  • The entire trail.

  • The entire trail, and the upstream part with an additional (set of) certificate(s).

  • Only the upstream part.

With upstream encryption, the passwords are visible only with the private key of the certificate used for encrypting the upstream traffic.

 NOTE:

Even if the upstream traffic is encrypted with a separate certificate, only one audit trail file is created for a session.

 Caution:

One Identity Safeguard for Privileged Sessions (SPS) 5 F4 and later versions use a new encryption algorithm to encrypt the recorded audit trails (AES128-GCM). This change has the following effects:

  • If you are using external indexers to index your audit trails, you must upgrade them to the latest version. Earlier versions will not be able to index encrypted audit trails recorded with SPS 5 F4 and later.

  • To replay an encrypted audit trail recorded with SPS 5 F4 or later, you can use the latest version of the Safeguard Desktop Player application, or the browser-based player of SPS. You cannot replay such audit trails using earlier versions of Safeguard Desktop Player, nor any version of the Audit Player application.

Encrypting the upstream part has the following limitations:

  • During indexing, command detection does not work without the upstream encryption keys.

 TIP:

For more information on uploading certificates for indexing and replaying audit trails, see:

Encrypting audit trails requires one or more X.509 certificate in PEM format that uses an RSA key, depending on the configuration.

 NOTE:

Certificates are used as a container and delivery mechanism. For encryption and decryption, only the keys are used.

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

Use every keypair or certificate only for one purpose. Do not reuse cryptographic keys or certificates (for example, do not use the certificate of the One Identity Safeguard for Privileged Sessions (SPS) webserver to encrypt audit trails, or the same keypair for signing and encrypting data).

The following encryption options are available:

  • Encrypt with a single certificate. This is the most simple approach: SPS uses one certificate to encrypt the audit trails, and anyone who has the private key of that certificate can replay the audit trails. If that key is lost, there is no way to open the audit trails.

  • Encrypt separately with multiple certificates. SPS uses two or more certificates separately to encrypt the audit trails, and anyone who has the private key of one of the encryption certificates can replay the audit trails.

  • Encrypt jointly with two certificates. SPS uses two certificates together (a certificate-pair) to encrypt the audit trails. The private keys of both encryption certificates are needed to replay the audit trails. This is a kind of "four-eyes in auditing".

You can combine the different encryption methods. For example, you can encrypt the audit trails with multiple certificate-pairs, and replay the trails only if the private keys of a certificate-pair are available. This is true for encrypting the upstream traffic as well. At the extreme, you will need four private keys to fully replay an audit trail: two to open the normal traffic, and two more to display the upstream traffic.

Note that SPS itself cannot create the certificates used to encrypt the audit trails.

 TIP:

If two certificates are displayed in a row, they are a certificate-pair and you need the private key of both to replay the audit trails. If two certificates are displayed in separate rows, you need the one of the private keys to replay the audit trails. If there are multiple rows containing two certificates, you need the private keys of the certificate(s) listed in any of the rows.

Figure 150: Policies > Audit Policies — Encrypting audit trails: joint encryption with a certificate pair

Each audit policy can have up to 8 lines of certificate pairs.

To encrypt audit trails

  1. Navigate to Policies > Audit Policies and select the audit policy you will use in your connections.

    		 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 One Identity Safeguard for Privileged Sessions (SPS).

  2. Select the Enable encryption option.

  3. To upload a certificate for encrypting the entire trail:

    1. Click the icon under the Encryption cert (X.509 RSA) 4-eyes cert (X.509 RSA) row.

    2. Click on the left icon and upload a certificate to SPS. This certificate will be used to encrypt the audit trails, and it must not include the private key.

      		 NOTE:

      To replay the audit trails, you need the private key of the certificate on the computer running the Safeguard Desktop Player application.

    3. (Optional) To encrypt the audit trails jointly with another certificate, click on the right icon and upload a certificate to SPS. Note that the private key of both certificates will be required to replay the audit trails.

    4. Repeat these steps to encrypt the audit trails separately with additional certificates.

  4. To upload a certificate for encrypting the upstream traffic:

    1. Select Encrypt upstream traffic with different certificates.

    2. Click the icon under the Encryption cert (X.509 RSA) 4-eyes cert (X.509 RSA) row.

    3. Click on the left icon and upload a certificate to SPS. This certificate will be used to encrypt the audit trails, and it must not include the private key.

      		 NOTE:

      To replay the upstream part of the audit trails, you need the private key of the certificate on the computer running the Safeguard Desktop Player application.

    4. (Optional) To encrypt the audit trails jointly with another certificate, click on the right icon and upload a certificate to SPS. Note that the private key of both certificates will be required to replay the audit trails.

    5. Repeat these steps to encrypt the upstream separately with additional certificates.

  5. Click Commit.

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