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The Ubuntu operating system must not have the telnet package installed.


Overview

Finding ID Version Rule ID IA Controls Severity
V-238326 UBTU-20-010405 SV-238326r877396_rule High
Description
Passwords need to be protected at all times, and encryption is the standard method for protecting passwords. If passwords are not encrypted, they can be plainly read (i.e., clear text) and easily compromised.
STIG Date
Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide 2022-12-06

Details

Check Text ( C-41536r654151_chk )
Verify that the telnet package is not installed on the Ubuntu operating system by running the following command:

$ dpkg -l | grep telnetd

If the package is installed, this is a finding.
Fix Text (F-41495r654152_fix)
Remove the telnet package from the Ubuntu operating system by running the following command:

$ sudo apt-get remove telnetd