STIGQter: STIG Summary: Canonical Ubuntu 20.04 LTS Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 10 Mar 2021:

The Ubuntu operating system must have an application firewall installed in order to control remote access methods.

DISA Rule

SV-238354r654237_rule

Vulnerability Number

V-238354

Group Title

SRG-OS-000297-GPOS-00115

Rule Version

UBTU-20-010433

Severity

CAT II

CCI(s)

• CCI-002314 - The information system controls remote access methods.

Weight

10

Fix Recommendation

Install the Uncomplicated Firewall by using the following command:

$ sudo apt-get install ufw

Check Contents

Verify that the Uncomplicated Firewall is installed with the following command:

$ dpkg -l | grep ufw

ii ufw 0.36-6

If the "ufw" package 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-238354

Documentable

False

Rule Version

UBTU-20-010433

Severity Override Guidance

Verify that the Uncomplicated Firewall is installed with the following command:

$ dpkg -l | grep ufw

ii ufw 0.36-6

If the "ufw" package 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

5318

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