Windows Server 2025 must have a host-based firewall installed and enabled.

Severity
Group ID
Group Title
Version
Rule ID
Date
STIG Version
mediumV-278012SRG-OS-000480-GPOS-00227WN25-00-000280SV-278012r1181951_rule2026-02-201

Description

A firewall provides a line of defense against attack, allowing or blocking inbound and outbound connections based on a set of rules. Satisfies: SRG-OS-000480-GPOS-00227, SRG-OS-000480-GPOS-00232

ℹ️ Check

Determine if a host-based firewall is installed and enabled on the system. If a host-based firewall is not installed and enabled on the system, this is a finding. The configuration requirements will be determined by the applicable firewall STIG.

✔️ Fix

Install and enable a host-based firewall on the system.