ICMP - applicability



  • I created a rule - to block ping.

    in /tmp/rules.default the entry is as follows.

    block in quick on $lan inet proto icmp from { 192.168.19.90 } to any label "USER_RULE: stop icmp"

    I wanted to block ping from 192.168.19.90, which is a node in my LAN. But, once this rule is implemented, I am unable to ping from any of the node of LAN. Why is it so ?


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