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The system must not process Internet Control Message Protocol (ICMP) timestamp requests.
Overview
| Finding ID | Version | Rule ID | IA Controls | Severity |
|---|---|---|---|---|
| V-22409 | GEN003602 | SV-35022r1_rule | ECSC-1 | Low |
| Description |
|---|
| The processing of ICMP timestamp requests increases the attack surface of the system. |
| STIG | Date |
|---|---|
| HP-UX 11.23 Security Technical Implementation Guide | 2013-03-28 |
Details
| Check Text ( C-36502r1_chk ) |
|---|
| Verify the system does not respond to ICMP Timestamp requests. # ndd -get /dev/ip ip_respond_to_timestamp If the result is not 0, this is a finding. |
| Fix Text (F-31859r1_fix) |
|---|
| Disable ICMP Timestamp responses on the system. # ndd -set /dev/ip ip_respond_to_timestamp 0 Edit /etc/rc.config.d/nddconf and add/set: TRANSPORT_NAME[x]=ip NDD_NAME[x]=ip_respond_to_timestamp NDD_VALUE[x]=0 |