xref: /titanic_52/usr/src/cmd/ipf/examples/example.7 (revision 7c478bd95313f5f23a4c958a745db2134aa03244)
1*7c478bd9Sstevel@tonic-gate# block all ICMP packets.
2*7c478bd9Sstevel@tonic-gate#
3*7c478bd9Sstevel@tonic-gateblock in proto icmp all
4*7c478bd9Sstevel@tonic-gate#
5*7c478bd9Sstevel@tonic-gate# allow in ICMP echos and echo-replies.
6*7c478bd9Sstevel@tonic-gate#
7*7c478bd9Sstevel@tonic-gatepass in on le1 proto icmp from any to any icmp-type echo
8*7c478bd9Sstevel@tonic-gatepass in on le1 proto icmp from any to any icmp-type echorep
9*7c478bd9Sstevel@tonic-gate#
10*7c478bd9Sstevel@tonic-gate# block all ICMP destination unreachable packets which are port-unreachables
11*7c478bd9Sstevel@tonic-gate#
12*7c478bd9Sstevel@tonic-gateblock in on le1 proto icmp from any to any icmp-type unreach code 3
13