STIGQter: STIG Summary: Juniper Router RTR Security Technical Implementation Guide Version: 2 Release: 2 Benchmark Date: 12 Feb 2021:

The Juniper perimeter router must be configured to filter ingress traffic at the external interface on an inbound direction.

DISA Rule

SV-217038r639663_rule

Vulnerability Number

V-217038

Group Title

SRG-NET-000205-RTR-000004

Rule Version

JUNI-RT-000330

Severity

CAT II

CCI(s)

• CCI-001097 - The information system monitors and controls communications at the external boundary of the information system and at key internal boundaries within the system.

Weight

10

Fix Recommendation

This requirement is not applicable for the DoDIN Backbone.

Configure the router to use an inbound filter on all external interfaces as shown in the example below.

[edit interfaces ge-0/0/0 unit 0 family inet]
set filter input INBOUND_FILTER

Check Contents

This requirement is not applicable for the DoDIN Backbone.

Review the router configuration to verify that an inbound filter is configured on all external interfaces as shown in the example below.

interfaces {
description "NIPRNet";
ge-0/0/0 {
unit 0 {
family inet {
filter {
input INBOUND_FILTER;
}
address x.x.x.x/24;
}
}
}

If the router is not configured to filter traffic entering the network at all external interfaces in an inbound direction, this is a finding.

Vulnerability Number

V-217038

Documentable

False

Rule Version

JUNI-RT-000330

Severity Override Guidance

This requirement is not applicable for the DoDIN Backbone.

Review the router configuration to verify that an inbound filter is configured on all external interfaces as shown in the example below.

interfaces {
description "NIPRNet";
ge-0/0/0 {
unit 0 {
family inet {
filter {
input INBOUND_FILTER;
}
address x.x.x.x/24;
}
}
}

If the router is not configured to filter traffic entering the network at all external interfaces in an inbound direction, this is a finding.

Check Content Reference

M

Target Key

4032

Comments