The system must be configured with a default gateway for IPv4 if the system uses IPv4, unless the system is a router.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-4397 | GEN005560 | SV-39217r1_rule | ECSC-1 | Medium |
| Description |
|---|
| If a system has no default gateway defined, the system is at increased risk of man-in-the-middle, monitoring, and Denial of Service attacks. |
| STIG | Date |
|---|---|
| AIX 5.3 SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2014-10-03 |
Details
| Check Text ( C-8275r2_chk ) |
|---|
| Check the system for an IPv4 default route. Procedure: # netstat -r |grep default If a default route is not defined, this is a finding. |
| Fix Text (F-33468r1_fix) |
|---|
| Set a default gateway for IPv4. # smitty route OR # route add 0 < ip address of gateway > |