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The system must ignore ICMPv4 bogus error responses.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-38537 | RHEL-06-000093 | SV-50338r2_rule | Low |
| Description |
|---|
| Ignoring bogus ICMP error responses reduces log size, although some activity would not be logged. |
| STIG | Date |
|---|---|
| Red Hat Enterprise Linux 6 Security Technical Implementation Guide | 2017-04-28 |
Details
| Check Text ( None ) |
|---|
| None |
| Fix Text (F-43485r1_fix) |
|---|
| To set the runtime status of the "net.ipv4.icmp_ignore_bogus_error_responses" kernel parameter, run the following command: # sysctl -w net.ipv4.icmp_ignore_bogus_error_responses=1 If this is not the system's default value, add the following line to "/etc/sysctl.conf": net.ipv4.icmp_ignore_bogus_error_responses = 1 |