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[FreeBSD/releng/9.2.git] / contrib / ipfilter / rules / example.7
1 # block all ICMP packets.
2 #
3 block in proto icmp all
4 #
5 # allow in ICMP echos and echo-replies.
6 #
7 pass in on le1 proto icmp from any to any icmp-type echo
8 pass in on le1 proto icmp from any to any icmp-type echorep
9 #
10 # block all ICMP destination unreachable packets which are port-unreachables
11 #
12 block in on le1 proto icmp from any to any icmp-type unreach code 3