Title

The talk daemon must be disabled on AIX. (Cat II impact)

Discussion

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.

Check Content

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

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

Additional Identifiers

Rule ID: SV-215374r508663_rule

Vulnerability ID: V-215374

Group Title: SRG-OS-000095-GPOS-00049

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.