STIGQter: STIG Summary: Web Server Security Requirements Guide Version: 4 Release: 5 Benchmark Date: 01 Jul 2026:

The web server must generate a session ID long enough that it cannot be guessed through brute force.

DISA Rule

SV-206401r1043181_rule

Vulnerability Number

V-206401

Group Title

SRG-APP-000224

Rule Version

SRG-APP-000224-WSR-000137

Severity

CAT II

CCI(s)

• CCI-001188 - Generate a unique session identifier for each session with organization-defined randomness requirements.

Weight

10

Fix Recommendation

Configure the web server to generate session identifiers that are at least 128 bits in length.

Check Contents

Review the web server documentation and deployed configuration to see how long the generated session identifiers are.

If the web server is not configured to generate session identifiers that are at least 128 bits (16 bytes) in length, this is a finding.

Vulnerability Number

V-206401

Documentable

False

Rule Version

SRG-APP-000224-WSR-000137

Severity Override Guidance

Review the web server documentation and deployed configuration to see how long the generated session identifiers are.

If the web server is not configured to generate session identifiers that are at least 128 bits (16 bytes) in length, this is a finding.

Check Content Reference

M

Target Key

2910