The AIX global initialization files must contain the mesg -n or mesg n commands.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-215342 | AIX7-00-003036 | SV-215342r991589_rule | CCI-000366 | medium |
| Description | ||||
| Command "mesg -n" allows only the root user the permission to send messages to your workstation to avoid having others clutter your display with incoming messages. | ||||
| STIG | Date | |||
| IBM AIX 7.x Security Technical Implementation Guide | 2024-08-16 | |||
Details
Check Text (C-215342r991589_chk)
Check global initialization files for the presence of "mesg n" command by running:
# grep "mesg" /etc/profile /etc/environment /etc/security/environ /etc/security/.profile /etc/csh.login /etc/csh.cshrc
/etc/profile:mesg n
/etc/environment:mesg n
If any global initialization file does not contain "mesg n", or it contains the "mesg y" command, this is a finding.
Fix Text (F-16538r294478_fix)
Edit the global initialization files that do not contain "mesg n" command and add the following line to the initialization files:
mesg n