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V-93389

CAT II (Medium)

Windows Server 2019 must not have the TFTP Client installed.

Rule ID

SV-103475r1_rule

STIG

Windows Server 2019 Security Technical Implementation Guide

Version

V1R3

CCIs

CCI-000381

Discussion

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.

Check Content

Open "PowerShell".

Enter "Get-WindowsFeature | Where Name -eq TFTP-Client".

If "Installed State" is "Installed", this is a finding.

An Installed State of "Available" or "Removed" is not a finding.

Fix Text

Uninstall the "TFTP 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 "TFTP Client" on the "Features" page.

Click "Next" and "Remove" as prompted.