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centos7:2:2:18 [2017/05/04 14:57] (current)
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 +======2.2.18 Ensure telnet server is not enabled (Scored)======
 +=====Profile Applicability=====  ​
 +<​code>​
 +Level 1 - Server
 +Level 1 - Workstation ​
 +</​code>​
  
 +=====Description=====
 +The ''​telnet-server''​ package contains the ''​telnet''​ daemon, which accepts connections from users from other systems via the ''​telnet''​ protocol.
 +
 +=====Rationale=====
 +The ''​telnet''​ protocol is insecure and unencrypted. The use of an unencrypted transmission medium could allow a user with access to sniff network traffic the ability to steal credentials. The ''​ssh''​ package provides an encrypted session and stronger security.
 +
 +=====Audit===== ​
 +Run the following command and verify result is not "​enabled":​
 +<​Code:​bash>​
 +# systemctl is-enabled telnet.socket
 +disabled
 +</​Code>​
 +
 +=====Remediation===== ​
 +Run the following commands to disable ''​telnet'':​
 +<​Code:​bash>​
 +# systemctl disable telnet.socket
 +</​Code>​