The Oracle Linux operating system must not allow a non-certificate trusted host SSH logon to the system.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
---|---|---|---|---|---|---|
medium | V-221697 | SRG-OS-000480-GPOS-00229 | OL07-00-010470 | SV-221697r991591_rule | 2025-02-20 | 3 |
Description |
---|
Failure to restrict system access to authenticated users negatively impacts operating system security. |
ℹ️ Check |
---|
Verify the operating system does not allow a non-certificate trusted host SSH logon to the system. Check for the value of the "HostbasedAuthentication" keyword with the following command: # grep -i hostbasedauthentication /etc/ssh/sshd_config HostbasedAuthentication no If the "HostbasedAuthentication" keyword is not set to "no", is missing, or is commented out, this is a finding. |
✔️ Fix |
---|
Configure the operating system not to allow a non-certificate trusted host SSH logon to the system. Edit the "/etc/ssh/sshd_config" file to uncomment or add the line for "HostbasedAuthentication" keyword and set the value to "no": HostbasedAuthentication no The SSH service must be restarted for changes to take effect. |