STIGQter: STIG Summary: F5 BIG-IP TMOS ALG Security Technical Implementation Guide Version: 1 Release: 3 Benchmark Date: 01 Jul 2026:

The F5 BIG-IP appliance providing content filtering must detect use of network services that have not been authorized or approved by the information system security manager (ISSM) and information system security officer (ISSO), at a minimum.

DISA Rule

SV-266160r1024389_rule

Vulnerability Number

V-266160

Group Title

SRG-NET-000384-ALG-000136

Rule Version

F5BI-AP-300068

Severity

CAT II

CCI(s)

• CCI-002683 - Detect network services that have not been authorized or approved by the organization-defined authorization or approval processes.

Weight

10

Fix Recommendation

AFM ACL:
From the BIG-IP GUI:
1. Security.
2. Network Firewall.
3. Policies.
4. <Policy Name>.
5. Configure a rule that uses a "Classification Policy".
Note: To create a Classification Policy, go to Traffic Intelligence >> Policies.
6. Click "Commit Changes to System".

Log Profile:
From the BIG-IP GUI:
1. Security.
2. Event Logs.
3. Logging Profiles.
4. Edit the global-network profile.
5. Check "Enabled" for "Classification".
6. Classification tab.
7. Configure the Log Publisher. (For production environments, F5 recommends using remote logging.)
8. Click "Update".

Check Contents

If the BIG-IP appliance does not perform content filtering as part of the traffic management functions, this is not applicable.

If using the BIG-IP AFM module to perform content filtering:

AFM ACL:
From the BIG-IP GUI:
1. Security.
2. Network Firewall.
3. Policies.
4. <Policy Name>.
5. Verify a rule is configured that uses a "Classification Policy".

Log Profile:
From the BIG-IP GUI:
1. Security.
2. Event Logs.
3. Logging Profiles.
4. Edit the global-network profile.
5. Classification tab.
6. Verify the Log Publisher is set to the desired setting. (For production environments, F5 recommends using remote logging.)

If configured rules in the policy do not detect use of network services that have not been authorized or approved by the ISSM and ISSO, at a minimum, this is a finding.

Vulnerability Number

V-266160

Documentable

False

Rule Version

F5BI-AP-300068

Severity Override Guidance

If the BIG-IP appliance does not perform content filtering as part of the traffic management functions, this is not applicable.

If using the BIG-IP AFM module to perform content filtering:

AFM ACL:
From the BIG-IP GUI:
1. Security.
2. Network Firewall.
3. Policies.
4. <Policy Name>.
5. Verify a rule is configured that uses a "Classification Policy".

Log Profile:
From the BIG-IP GUI:
1. Security.
2. Event Logs.
3. Logging Profiles.
4. Edit the global-network profile.
5. Classification tab.
6. Verify the Log Publisher is set to the desired setting. (For production environments, F5 recommends using remote logging.)

If configured rules in the policy do not detect use of network services that have not been authorized or approved by the ISSM and ISSO, at a minimum, this is a finding.

Check Content Reference

M

Target Key

5640