HP-UX 11.23 Security Technical Implementation Guide

The HP-UX 11.23 Security Technical Implementation Guide (V1 R8) has 534 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R8

CurrentPublished Fri Jan 22 2016

The system must not apply reversed source routing to TCP responses.

HP-UX 11.23 Security Technical Implementation Guide

Assessment Title

Rule Text

The system must not apply reversed source routing to TCP responses.

Description

Discussion Text

Source-routed packets allow the source of the packet to suggest routers forward the packet along a different path than configured on the router, which can be used to bypass network security measures.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-22412

Rule

SV-35028r1_rule

Severity

medium

Rule Version

GEN003605

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Determine if the system is configured to forward source-routed IP packets. When 
correctly configured, if ip_forward_src_routed is disabled, the system is also configured 
to disable reverse source routing to TCP responses to source-routed packets. 
# ndd -get /dev/ip ip_forward_src_routed

If the returned value is not '0', this feature is enabled and this is a finding.

Implementation Procedure

Fix Text

Disable the IP source-routed forwarding feature.
# ndd -set /dev/ip ip_forward_src_routed 0

Edit /etc/rc.config.d/nddconf and add/set:
TRANSPORT_NAME[x] = ip
NDD_NAME[x] = ip_forward_src_routed
NDD_VALUE[x] = 0

STIG check 176 of 534 in the HP-UX 11.23 STIG checklist

← Previous · V-22411The system must not respond to Internet Control Message Protocol (ICMP) timestamp requests sent to a broadcast address.Next · V-22413 →The system must prevent local applications from generating source-routed packets.