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centos7:2:2:21 [2017/05/04 14:59] (current)
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 +======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>​