The system must not process ICMP timestamp requests.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22409 | GEN003602 | SV-26621r1_rule | ECSC-1 | Low |
| Description |
|---|
| The processing of Internet Control Message Protocol (ICMP) timestamp requests increases the attack surface of the system. |
| STIG | Date |
|---|---|
| SOLARIS 9 X86 SECURITY TECHNICAL IMPLEMENTATION GUIDE | 2015-10-01 |
Details
| Check Text ( C-27659r1_chk ) |
|---|
| Verify the system does not respond to ICMP timestamp requests. # ndd /dev/ip ip_respond_to_timestamp If the result is not 0, this is a finding. |
| Fix Text (F-23864r1_fix) |
|---|
| Disable ICMP timestamp responses on the system. # ndd -set /dev/ip ip_respond_to_timestamp 0 Also add this command to a system startup script. |