The talk daemon must be disabled on AIX.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
| V-215374 | AIX7-00-003069 | SV-215374r958478_rule | CCI-000381 | medium |
| Description | ||||
| This talk service is used to establish an interactive two-way communication link between two UNIX users. Unless required the talk service will be disabled to prevent attacks. | ||||
| STIG | Date | |||
| IBM AIX 7.x Security Technical Implementation Guide | 2024-08-16 | |||
Details
Check Text (C-215374r958478_chk)
From the command prompt, execute the following command:
# grep "^talk[[:blank:]]" /etc/inetd.conf
If there is any output from the command, this is a finding.
Fix Text (F-16570r294574_fix)
In "/etc/inetd.conf", comment out the "talkd" entry by running command:
# chsubserver -r inetd -C /etc/inetd.conf -d -v 'talk' -p 'udp'
Restart inetd:
# refresh -s inetd