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FTP servers must be configured to prevent anonymous logons.


Overview

Finding ID Version Rule ID IA Controls Severity
V-224860 WN16-00-000430 SV-224860r569186_rule Medium
Description
The FTP service allows remote users to access shared files and directories. Allowing anonymous FTP connections makes user auditing difficult. Using accounts that have administrator privileges to log on to FTP risks that the userid and password will be captured on the network and give administrator access to an unauthorized user.
STIG Date
Microsoft Windows Server 2016 Security Technical Implementation Guide 2021-09-29

Details

Check Text ( C-26551r465482_chk )
If FTP is not installed on the system, this is NA.

Open "Internet Information Services (IIS) Manager".

Select the server.

Double-click "FTP Authentication".

If the "Anonymous Authentication" status is "Enabled", this is a finding.
Fix Text (F-26539r465483_fix)
Configure the FTP service to prevent anonymous logons.

Open "Internet Information Services (IIS) Manager".

Select the server.

Double-click "FTP Authentication".

Select "Anonymous Authentication".

Select "Disabled" under "Actions".