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The Telnet service must be disabled if installed.


Overview

Finding ID Version Rule ID IA Controls Severity
V-226357 WN12-SV-000105 SV-226357r794641_rule Medium
Description
Unnecessary services increase the attack surface of a system. Some of these services may not support required levels of authentication or encryption.
STIG Date
Microsoft Windows Server 2012/2012 R2 Domain Controller Security Technical Implementation Guide 2022-03-01

Details

Check Text ( C-28059r476915_chk )
Verify the Telnet (tlntsvr) service is not installed or is disabled.

Run "Services.msc".

If the following is installed and not disabled, this is a finding:

Telnet (tlntsvr)
Fix Text (F-28047r476916_fix)
Remove or disable the Telnet (tlntsvr) service.