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The router must have IP source routing disabled.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-3081 | NET0770 | SV-15316r2_rule | Medium |
| Description |
|---|
| Source routing is a feature of IP, whereby individual packets can specify routes. This feature is used in several different network attacks by bypassing perimeter and internal defense mechanisms. |
| STIG | Date |
|---|---|
| Perimeter Router Security Technical Implementation Guide Cisco | 2017-06-27 |
Details
| Check Text ( C-12782r2_chk ) |
|---|
| Review the configuration to determine if source routing is enabled. The IOS command no ip source-route must be included in the configuration. |
| Fix Text (F-3106r2_fix) |
|---|
| Configure the router to disable IP source routing. |