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

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
highV-238326SRG-OS-000074-GPOS-00042UBTU-20-010405SV-238326r987796_rule2025-03-032
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.
ℹ️ Check
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
Remove the telnet package from the Ubuntu operating system by running the following command: $ sudo apt-get remove telnetd