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The macOS system must not have IP forwarding for IPv4 enabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-214911 | AOSX-13-001205 | SV-214911r609363_rule | Medium |
| Description |
|---|
| IP forwarding for IPv4 must not be enabled, as only authorized systems should be permitted to operate as routers. |
| STIG | Date |
|---|---|
| Apple OS X 10.13 Security Technical Implementation Guide | 2021-03-29 |
Details
| Check Text ( C-16111r397305_chk ) |
|---|
| To check if "IP forwarding" is enabled, run the following command: sysctl net.inet.ip.forwarding If the values are not "0", this is a finding. |
| Fix Text (F-16109r397306_fix) |
|---|
| To configure the system to disable "IP forwarding", add the following line to "/etc/sysctl.conf", creating the file if necessary: net.inet.ip.forwarding=0 |