STIGQter: STIG Summary: Application Layer Gateway Security Requirements Guide Version: 2 Release: 4 Benchmark Date: 01 Jul 2026:

The ALG must check the validity of all data inputs except those specifically identified by the organization.

DISA Rule

SV-205027r396456_rule

Vulnerability Number

V-205027

Group Title

SRG-NET-000401

Rule Version

SRG-NET-000401-ALG-000127

Severity

CAT II

CCI(s)

• CCI-001310 - Checks the validity of organization-defined information inputs to the system.

Weight

10

Fix Recommendation

Configure the ALG to check the validity of all data inputs except those specifically identified by the organization.

Check Contents

Verify the ALG checks the validity of all data inputs except those specifically identified by the organization.

If the ALG does not check the validity of all data inputs except those specifically identified by the organization, this is a finding.

Vulnerability Number

V-205027

Documentable

False

Rule Version

SRG-NET-000401-ALG-000127

Severity Override Guidance

Verify the ALG checks the validity of all data inputs except those specifically identified by the organization.

If the ALG does not check the validity of all data inputs except those specifically identified by the organization, this is a finding.

Check Content Reference

M

Target Key

2904