Finding ID | Version | Rule ID | IA Controls | Severity |
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V-208927 | OL6-00-000240 | SV-208927r793713_rule | Medium |
Description |
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The warning message reinforces policy awareness during the logon process and facilitates possible legal action against attackers. Alternatively, systems whose ownership should not be obvious should ensure usage of a banner that does not provide easy attribution. |
STIG | Date |
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Oracle Linux 6 Security Technical Implementation Guide | 2021-12-03 |
Check Text ( C-9180r357761_chk ) |
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To determine how the SSH daemon's "Banner" option is set, run the following command: # grep -i Banner /etc/ssh/sshd_config If a line indicating /etc/issue is returned, then the required value is set. If the required value is not set, this is a finding. |
Fix Text (F-9180r357762_fix) |
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To enable the warning banner and ensure it is consistent across the system, add or correct the following line in "/etc/ssh/sshd_config": Banner /etc/issue Another section contains information on how to create an appropriate system-wide warning banner. |