Finding ID | Version | Rule ID | IA Controls | Severity |
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V-51321 | OSX8-00-01220 | SV-65531r1_rule | Medium |
Description |
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The system must not process Internet Control Message Protocol [ICMP] timestamp requests. |
STIG | Date |
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Apple OS X 10.8 (Mountain Lion) Workstation STIG | 2015-02-10 |
Check Text ( C-53669r1_chk ) |
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To check if the system is configured to process ICMP timestamp requests, run the following command: sysctl net.inet.icmp.timestamp | awk '{ print $NF }' If the value is not set to "1", this is a finding. |
Fix Text (F-56121r1_fix) |
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To disable ICMP timestamp responses, add the following line to /etc/sysctl.conf: net.inet.icmp.timestamp=1 |