STIGQter: STIG Summary: Router Security Requirements Guide Version: 4 Release: 2 Benchmark Date: 23 Apr 2021:

The BGP router must be configured to reject outbound route advertisements for any prefixes that do not belong to any customers or the local autonomous system (AS).

DISA Rule

SV-207101r604135_rule

Vulnerability Number

V-207101

Group Title

SRG-NET-000018

Rule Version

SRG-NET-000018-RTR-000005

Severity

CAT II

CCI(s)

• CCI-001368 - The information system enforces approved authorizations for controlling the flow of information within the system based on organization-defined information flow control policies.

Weight

10

Fix Recommendation

Configure all eBGP routers to filter outbound route advertisements for prefixes that are not allocated to or belong to any customer or the local AS.

Check Contents

This requirement is not applicable for the DODIN Backbone.

Review the router configuration to verify that there is a filter defined to only advertise routes for prefixes that belong to any customers or the local AS.

The prefix filter must be referenced outbound on the appropriate BGP neighbor statements.

If the router is not configured to reject outbound route advertisements that belong to any customers or the local AS, this is a finding.

Vulnerability Number

V-207101

Documentable

False

Rule Version

SRG-NET-000018-RTR-000005

Severity Override Guidance

This requirement is not applicable for the DODIN Backbone.

Review the router configuration to verify that there is a filter defined to only advertise routes for prefixes that belong to any customers or the local AS.

The prefix filter must be referenced outbound on the appropriate BGP neighbor statements.

If the router is not configured to reject outbound route advertisements that belong to any customers or the local AS, this is a finding.

Check Content Reference

M

Target Key

2917

Comments