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The system must prevent local applications from generating source-routed packets.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22413 | GEN003606 M6 | SV-38202r1_rule | ECSC-1 | Medium |
| Description |
|---|
| 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. |
| STIG | Date |
|---|---|
| MAC OSX 10.6 Workstation Security Technical Implementation Guide | 2013-04-09 |
Details
| Check Text ( C-37659r1_chk ) |
|---|
| Open a terminal session and enter the following command to view the value of "net.inet.ip.sourceroute". sysctl -a | grep net.inet.ip.sourceroute If the value of "net.inet.ip.sourceroute" is not set to "0", this is a finding. |
| Fix Text (F-32900r1_fix) |
|---|
| Open a terminal session and edit the /etc/sysctl.conf file and add the following line. net.inet.ip.sourceroute=0 NOTE: If the sysctl.conf file does not exist use the following command to create one. touch /etc/sysctl.conf |