Details

This entry starts the talkd daemon when required. This service establishes a two-way communication link between two users, either locally or remotely.

This talk service is used to establish an interactive two-way communication link between two UNIX users. It is unlikely that there would be a requirement to run this type of service on a UNIX system. Unless required the talk service will be disabled

Solution

In /etc/inetd.conf, comment out the talk entry-

chsubserver -r inetd -C /etc/inetd.conf -d -v ‘talk’ -p ‘udp’

Supportive Information

The following resource is also helpful.

• https://workbench.cisecurity.org/files/528

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Unix.

References

• 800-53|CM-7b.
• CSCv6|9.1

Source

• Tenable.com/audits