WN16-00-000390 - The Telnet Client must not be installed.

Information

Unnecessary services increase the attack surface of a system. Some of these services may not support required levels of authentication or encryption or may provide unauthorized access to the system.

Solution

Uninstall the 'Telnet Client' feature.

Start 'Server Manager'.

Select the server with the feature.

Scroll down to 'ROLES AND FEATURES' in the right pane.

Select 'Remove Roles and Features' from the drop-down 'TASKS' list.

Select the appropriate server on the 'Server Selection' page and click 'Next'.

Deselect 'Telnet Client' on the 'Features' page.

Click 'Next' and 'Remove' as prompted.

See Also

https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_Windows_Server_2016_V2R3_STIG.zip

Item Details

Category: CONFIGURATION MANAGEMENT

References: 800-53|CM-7(4), CAT|II, CCI|CCI-000382, Rule-ID|SV-224854r569186_rule, STIG-ID|WN16-00-000390, STIG-Legacy|SV-87947, STIG-Legacy|V-73295, Vuln-ID|V-224854

Plugin: Windows

Control ID: 62990273b912d1813b0f1eab533b356fd37cfa6dc77a3893c4439c03d0244faf