The rusersd daemon must be disabled on AIX.
Severity | Group ID | Group Title | Version | Rule ID | Date | STIG Version |
|---|---|---|---|---|---|---|
| medium | V-215381 | SRG-OS-000095-GPOS-00049 | AIX7-00-003076 | SV-215381r958478_rule | 2024-08-16 | 3 |
| Description |
|---|
| The rusersd service runs as root and provides a list of current users active on a system. An attacker may use this service to learn valid account names on the system. This is not an essential service and should be disabled. |
| ℹ️ Check |
|---|
| From the command prompt, execute the following command: # grep "^rusersd[[:blank:]]" /etc/inetd.conf If there is any output from the command, this is a finding. |
| ✔️ Fix |
|---|
| In "/etc/inetd.conf", comment out the "rusersd" entry by running command: # chsubserver -r inetd -C /etc/inetd.conf -d -v 'rusersd' -p 'udp' Restart inetd: # refresh -s inetd |