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timestamp requests

Filter ICMP Timestamp Requests using IPtables

The following commands filter ICMP requests /sbin/iptables -I INPUT 1 -p ICMP –icmp-type timestamp-request -j DROP The following commands filter ICMP Reply requests /sbin/iptables -I INPUT 1 -p ICMP –icmp-type timestamp-reply -j DROP For autorun place the commands in /etc/rc.conf file or rc.local depending on your operating system.

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