122514Sdarrenr# block all ICMP packets.
222514Sdarrenr#
322514Sdarrenrblock in proto icmp all
422514Sdarrenr#
522514Sdarrenr# allow in ICMP echos and echo-replies.
622514Sdarrenr#
722514Sdarrenrpass in on le1 proto icmp from any to any icmp-type echo
822514Sdarrenrpass in on le1 proto icmp from any to any icmp-type echorep
922514Sdarrenr#
1022514Sdarrenr# block all ICMP destination unreachable packets which are port-unreachables
1122514Sdarrenr#
1222514Sdarrenrblock in on le1 proto icmp from any to any icmp-type unreach code 3
13