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The system must ignore IPv4 ICMP redirect messages.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22416 | GEN003609 | SV-26080r1_rule | ECSC-1 | Medium |
| Description |
|---|
| ICMP redirect messages are used by routers to inform hosts that a more direct route exists for a particular destination. These messages modify the host's route table and are unauthenticated. An illicit ICMP redirect message could result in a man-in-the-middle attack. |
| STIG | Date |
|---|---|
| UNIX SRG | 2013-03-26 |
Details
| Check Text ( C-29255r1_chk ) |
|---|
| Determine if the system is configured to ignore IPv4 ICMP redirect messages. If not, this is a finding. |
| Fix Text (F-26274r1_fix) |
|---|
| Configure the system to ignore IPv4 ICMP redirect messages. |