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The rwalld daemon must be disabled on AIX.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-91393 | AIX7-00-003105 | SV-101491r1_rule | Medium |
| Description |
|---|
| The rwalld service allows remote users to broadcast system wide messages. The service runs as root and should be disabled unless absolutely necessary to prevent attacks. |
| STIG | Date |
|---|---|
| IBM AIX 7.x Security Technical Implementation Guide | 2020-02-24 |
Details
| Check Text ( C-90547r1_chk ) |
|---|
| From the command prompt, execute the following command: # grep "^rwalld[[:blank:]]" /etc/inetd.conf If there is any output from the command, this is a finding. |
| Fix Text (F-97591r1_fix) |
|---|
| In "/etc/inetd.conf", comment out the "rwalld" entry by running command: # chsubserver -r inetd -C /etc/inetd.conf -d -v 'rwalld' -p 'udp' Restart inetd: # refresh -s inetd |