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 egress traffic at the internal interface on an inbound direction.

DISA Rule

SV-217039r639663_rule

Vulnerability Number

V-217039

Group Title

SRG-NET-000205-RTR-000005

Rule Version

JUNI-RT-000340

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 internal interfaces as shown in the example below.

[edit interfaces ge-0/1/0 unit 0 family inet]
set filter input OUTBOUND_FILTER

Check Contents

This requirement is not applicable for the DoDIN Backbone.

Review the router configuration to verify that the egress ACL is bound to the internal interface in an inbound direction.

interfaces {
ge-0/1/0 {
description "LAN link";
unit 0 {
family inet {
filter {
input OUTBOUND_FILTER;
}
address x.x.x.x/24;
}
}
}

If the router is not configured to filter traffic leaving the network at the internal interface in an inbound direction, this is a finding.

Vulnerability Number

V-217039

Documentable

False

Rule Version

JUNI-RT-000340

Severity Override Guidance

This requirement is not applicable for the DoDIN Backbone.

Review the router configuration to verify that the egress ACL is bound to the internal interface in an inbound direction.

interfaces {
ge-0/1/0 {
description "LAN link";
unit 0 {
family inet {
filter {
input OUTBOUND_FILTER;
}
address x.x.x.x/24;
}
}
}

If the router is not configured to filter traffic leaving the network at the internal interface in an inbound direction, this is a finding.

Check Content Reference

M

Target Key

4032

Comments