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The pop3 daemon must be disabled on AIX.


Overview

Finding ID Version Rule ID IA Controls Severity
V-91407 AIX7-00-003083 SV-101505r1_rule Medium
Description
The pop3 service provides a pop3 server. It supports the pop3 remote mail access protocol. It works with sendmail and bellmail. This service should be disabled if it is not required to prevent attacks.
STIG Date
IBM AIX 7.x Security Technical Implementation Guide 2019-04-29

Details

Check Text ( C-90561r1_chk )
From the command prompt, execute the following command:
# grep "^pop3[[:blank:]]" /etc/inetd.conf

If there is any output from the command, this is a finding.
Fix Text (F-97605r1_fix)
In "/etc/inetd.conf", comment out the "pop3" entry by running command:
# chsubserver -r inetd -C /etc/inetd.conf -d -v 'pop3' -p 'tcp'

Restart inetd:
# refresh -s inetd