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If AIX SSH daemon is required, the SSH daemon must only listen on the approved listening IP addresses.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-91773 | AIX7-00-002124 | SV-101871r1_rule | Medium |
| Description |
|---|
| The SSH daemon should only listen on the approved listening IP addresses. Otherwise the SSH service could be subject to unauthorized access. |
| STIG | Date |
|---|---|
| IBM AIX 7.x Security Technical Implementation Guide | 2020-02-24 |
Details
| Check Text ( C-90927r3_chk ) |
|---|
| From the command prompt, run the following command to check if "ListenAddress" is defined in SSH config file: # grep -i ListenAddress /etc/ssh/sshd_config | grep -v '^#' ListenAddress 10.17.76.74 If no configuration is returned, or if a returned listen configuration contains addresses not permitted, this is a finding. |
| Fix Text (F-97971r1_fix) |
|---|
| Edit the SSH daemon config file and add/modify the "ListenAddress" network addresses: # vi /etc/ssh/sshd_config Restart SSH daemon: # stopsrc -s sshd # startsrc -s sshd |