1*bc4097aaSchristos# $NetBSD: example.4,v 1.1.1.1 2012/03/23 21:20:15 christos Exp $ 2*bc4097aaSchristos# 3*bc4097aaSchristos# block all ICMP packets. 4*bc4097aaSchristos# 5*bc4097aaSchristosblock in proto icmp from any to any 6