STIGQter: STIG Summary: Layer 2 Switch Security Requirements Guide Version: 1 Release: 6 Benchmark Date: 24 Jan 2020:

The layer 2 switch must have Unknown Unicast Flood Blocking (UUFB) enabled.

DISA Rule

SV-76669r1_rule

Vulnerability Number

V-62179

Group Title

SRG-NET-000362

Rule Version

SRG-NET-000362-L2S-000024

Severity

CAT II

CCI(s)

• CCI-002385 - The information system protects against or limits the effects of organization-defined types of denial of service attacks by employing organization-defined security safeguards.

Weight

10

Fix Recommendation

Configure the switch to have Unknown Unicast Flood Blocking (UUFB) enabled.

Check Contents

Review the switch configuration to verify that UUFB is enabled on all access switch ports.

If any access switch ports do not have UUFB enabled, this is a finding.

Vulnerability Number

V-62179

Documentable

False

Rule Version

SRG-NET-000362-L2S-000024

Severity Override Guidance

Review the switch configuration to verify that UUFB is enabled on all access switch ports.

If any access switch ports do not have UUFB enabled, this is a finding.

Check Content Reference

M

Target Key

2917

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