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The system must not process ICMP timestamp requests.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22409 | GEN003602 | SV-38866r1_rule | ECSC-1 | Low |
| Description |
|---|
| The processing of Internet Control Message Protocol (ICMP) timestamp requests increases the attack surface of the system. |
| STIG | Date |
|---|---|
| Draft AIX Security Technical Implementation Guide | 2011-08-17 |
Details
| Check Text ( C-37859r1_chk ) |
|---|
| Determine if the system is configured to respond to ICMP Timestamp requests. #lsfit If there is no rule blocking ICMP packet type of 13 and ICMP packet type of 14, this is a finding. |
| Fix Text (F-32492r1_fix) |
|---|
| Use SMIT or genfilt commands to configure the system firewall to block ICMP packet types 13, and 14. #smitty ipsec4 # genfilt |