======2.2.21 Ensure talk server is not enabled (Scored)======
=====Profile Applicability=====  
<code>
Level 1 - Server
Level 1 - Workstation 
</code>

=====Description=====
The ''talk'' software makes it possible for users to send and receive messages across systems through a terminal session. The talk client (allows initiate of talk sessions) is installed by default.

=====Rationale=====
The software presents a security risk as it uses unencrypted protocols for communication.

=====Audit===== 
Run the following command and verify result is not "enabled":
<Code:bash>
# systemctl is-enabled ntalk
disabled
</Code>

=====Remediation===== 
Run the following commands to disable ''talk'':
<Code:bash>
# systemctl disable ntalk
</Code>