The system must not have IP tunnels configured.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22547 | GEN007820 | SV-63413r1_rule | Medium |
| Description |
|---|
| IP tunneling mechanisms can be used to bypass network filtering. |
| STIG | Date |
|---|---|
| Oracle Linux 5 Security Technical Implementation Guide | 2020-02-25 |
Details
| Check Text ( C-52119r1_chk ) |
|---|
| Check for any IP tunnels. # ip tun list # ip -6 tun list If any tunnels are listed, this is a finding. |
| Fix Text (F-54017r1_fix) |
|---|
| Remove the tunnels. # ip tun del Edit system startup scripts to prevent tunnel creation on startup. |