One Identity recommends using 2048-bit RSA keys (or stronger).
Use strong passwords: at least 8 characters that include numbers, letters, special characters, and capital letters. For local One Identity Safeguard for Privileged Sessions (SPS) users, require the use of strong passwords (set AAA > Settings > Minimal password strength to strong). For details, see "Setting password policies for local users" in the Administration Guide.
When exporting the configuration of SPS, or creating configuration backups, always use encryption. Handle the exported data with care, as it contains sensitive information, including credentials. For details on encrypting the configuration, see "Encrypting configuration backups with GPG" in the Administration Guide.
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).
Do not use the CBC block cipher mode, or the diffie-hellman-group1-sha1 key exchange algorithm.
Always encrypt your audit trails to protect sensitive data. For details, see "Encrypting audit trails" in the Administration Guide.
When configuring connection policies, always limit the source of the connection to the client network that requires access to the connection.
Always use gateway authentication to authenticate clients. Do not trust the source IP address of a connection, or the result of server authentication.
To prevent Denial of Service (DoS) attacks against One Identity Safeguard for Privileged Sessions (SPS), set the Connection rate limit option of your connection policies. For details, see "Configuring connections" in the Administration Guide.
Configure your RDP connection policies to use strong encryption. To enable SSL-encryption for the RDP protocol, see "Enabling TLS-encryption for RDP connections" in the Administration Guide.
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.
Ensure that host key verification is enabled in SSH connection policies. That is, the Server side hostkey settings > Allow plain host keys and Server side hostkey settings > Allow X.509 host certificates options do not have the No check required option selected. For details, see "Setting the SSH host keys of the connection" in the Administration Guide.
Accessing the One Identity Safeguard for Privileged Sessions (SPS) host directly using SSH is not recommended or supported, except for troubleshooting purposes. In such case, the One Identity Support Team will give you exact instructions on what to do to solve the problem.
For security reasons, disable SSH access to SPS when it is not needed. For details, see "Enabling SSH access to the One Identity Safeguard for Privileged Sessions (SPS) host" in the Administration Guide.
Permit administrative access to SPS only from trusted networks. If possible, monitored connections and administrative access to the SPS web interface should originate from separate networks.
Configure SPS to send an alert if a user fails to login to SPS. For details, see the Login failed alert in "System related traps" in the Administration Guide.
Configure Disk space fill-up prevention, and configure SPS to send an alert if the free space on the disks of SPS is low. For details, see "Preventing disk space fill-up" in the Administration Guide.
One Identity Safeguard for Privileged Sessions (SPS) stores sensitive data. Use a firewall and other appropriate controls to ensure that unauthorized connections cannot access it.
If possible, enable management access to SPS only from trusted networks.
Make sure that the HA interface of SPS is connected to a trusted network.
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