STIGQter: STIG Summary: Riverbed NetIM OS Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 11 Sep 2025:

Ubuntu OS must have an application firewall enabled.

DISA Rule

SV-275610r1147880_rule

Vulnerability Number

V-275610

Group Title

SRG-OS-000480-GPOS-00232

Rule Version

RIIM-OS-251020

Severity

CAT II

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

Enable and start the ufw by using the following command:

$ sudo systemctl enable ufw.service --now

Check Contents

Verify the Uncomplicated Firewall (ufw) is enabled on the system with the following command:

$ systemctl status ufw.service | grep -i "active:"
Active: active (exited) since Thu 2022-12-25 00:00:01 NZTD; 365 days 11h ago

If "ufw.service" is "inactive", this is a finding.

If the ufw is not installed, ask the system administrator if another application firewall is installed. If no application firewall is installed, this is a finding.

Vulnerability Number

V-275610

Documentable

False

Rule Version

RIIM-OS-251020

Severity Override Guidance

Verify the Uncomplicated Firewall (ufw) is enabled on the system with the following command:

$ systemctl status ufw.service | grep -i "active:"
Active: active (exited) since Thu 2022-12-25 00:00:01 NZTD; 365 days 11h ago

If "ufw.service" is "inactive", this is a finding.

If the ufw is not installed, ask the system administrator if another application firewall is installed. If no application firewall is installed, this is a finding.

Check Content Reference

M

Target Key

5706