The talk daemon must be disabled on AIX.
An XCCDF Rule
Description
<VulnDiscussion>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.</VulnDiscussion><FalsePositives></FalsePositives><FalseNegatives></FalseNegatives><Documentable>false</Documentable><Mitigations></Mitigations><SeverityOverrideGuidance></SeverityOverrideGuidance><PotentialImpacts></PotentialImpacts><ThirdPartyTools></ThirdPartyTools><MitigationControl></MitigationControl><Responsibility></Responsibility><IAControls></IAControls>
- ID
- SV-215374r508663_rule
- Severity
- Medium
- References
- Updated
Remediation - Manual Procedure
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