The system must ignore IPv4 ICMP redirect messages.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-51313 | OSX8-00-01200 | SV-65523r1_rule | Medium |
| Description |
|---|
| The system must ignore IPv4 ICMP redirect messages. |
| STIG | Date |
|---|---|
| Apple OS X 10.8 (Mountain Lion) Workstation STIG | 2015-02-10 |
Details
| Check Text ( C-53661r1_chk ) |
|---|
| To check if the system is configured to ignore ICMP redirect messages, run the following command: sysctl -a net.inet.icmp.drop_redirect | awk '{ print $NF }' If the value is not "1", this is a finding. |
| Fix Text (F-56113r1_fix) |
|---|
| To configure the system to ignore ICMP redirect messages, add the following line to /etc/sysctl.conf: net.inet.icmp.drop_redirect=1 |