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

The Juniper router must be configured to log all packets that have been dropped.

DISA Rule

SV-217025r639663_rule

Vulnerability Number

V-217025

Group Title

SRG-NET-000078-RTR-000001

Rule Version

JUNI-RT-000200

Severity

CAT III

CCI(s)

• CCI-000134 - The information system generates audit records containing information that establishes the outcome of the event.

Weight

10

Fix Recommendation

Configure the firewall terms that discards or rejects packets to log the action as shown in the example below.

[edit firewall family inet]
set filter FILTER_INBOUND term DENY_BY_DEFAULT then syslog discard

Configure logging to record packets being dropped by firewall filters as shown in the example below.

[edit system syslog]
set file LOG_FILE firewall any

Note: The “any” parameter can be configured in lieu of the “firewall” parameter.

Check Contents

Review all filters to verify that packets that are discarded or rejected are logged as shown in the configuration below.

firewall {
family inet {
filter XYZ
…
…
…
}
term DENY_BY_DEFAULT {
then {
syslog;
discard;
}
}
}
}

Verify that logging is enabled to capture packets that are dropped as shown in the configuration below.

system {
host-name XYZ;
…
…
…
}
syslog {
file LOG_FILE {
firewall any;
}
}
}

Note: The “any” parameter can be configured in lieu of the “firewall” parameter.

If packets being dropped are not logged, this is a finding.

Vulnerability Number

V-217025

Documentable

False

Rule Version

JUNI-RT-000200

Severity Override Guidance

Review all filters to verify that packets that are discarded or rejected are logged as shown in the configuration below.

firewall {
family inet {
filter XYZ
…
…
…
}
term DENY_BY_DEFAULT {
then {
syslog;
discard;
}
}
}
}

Verify that logging is enabled to capture packets that are dropped as shown in the configuration below.

system {
host-name XYZ;
…
…
…
}
syslog {
file LOG_FILE {
firewall any;
}
}
}

Note: The “any” parameter can be configured in lieu of the “firewall” parameter.

If packets being dropped are not logged, this is a finding.

Check Content Reference

M

Target Key

4032

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