UCF STIG Viewer Logo
Changes are coming to https://stigviewer.com. Take our survey to help us understand your usage and how we can better serve you in the future.
Take Survey

The OS X system must prevent local applications from generating source-routed packets.


Overview

Finding ID Version Rule ID IA Controls Severity
V-76145 AOSX-12-001215 SV-90833r1_rule Medium
Description
A source-routed packet attempts to specify the network path that the system should take. If the system is not configured to block the sending of source-routed packets, an attacker can redirect the system's network traffic.
STIG Date
Apple OS X 10.12 Security Technical Implementation Guide 2018-12-24

Details

Check Text ( C-75831r1_chk )
To check if the system is configured to forward source-routed packets, run the following command:

sysctl net.inet.ip.sourceroute

If the value is not set to "0", this is a finding.
Fix Text (F-82783r1_fix)
To configure the system to not forward source-routed packets, add the following line to "/etc/sysctl.conf", creating the file if necessary:

net.inet.ip.sourceroute=0