Oracle Solaris
TMA-SOLARIS-8.3
Enable a Warning Banner for the SSH Service
Description
The contents of the Banner string in the /etc/ssh/sshd_config file are sent to the remote user before authentication is allowed, requiring that the user read the legal caution. Performing these steps will ensure the appropriate legal caution is displayed to any user accessing the system via SSH. Audit: pattern match on /etc/ssh/sshd_config as described in the CIS audit procedure.
How it is checked
Audit method: File pattern
- File
/etc/ssh/sshd_config- Pattern
(?m)^Banner\s+/etc/issue\s*$
How it is fixed
Fix method: Guidance or infrastructure patch
Perform the following to implement the recommended state: # awk '/^#Banner/ { $1 = "Banner" } { print }' /etc/ssh/sshd_config > /etc/ssh/sshd_config.CIS # mv /etc/ssh/sshd_config.CIS /etc/ssh/sshd_config # svcadm restart svc:/network/ssh
Properties
- Operating systems
- Any
- Tags
- solarisssh
- Reference
- CIS Oracle Solaris 11.4 Benchmark v1.1.0 - 8.3 Enable a Warning Banner for the SSH Service
Check this host
Run this on a machine you are allowed to audit. The scan is read-only.
tmaegis scan --target solaris