# $NetBSD: example.9,v 1.2 2002/09/19 08:08:23 martti Exp $ # # drop all packets without IP security options # block in all pass in all with opt sec # # only allow packets in and out on le1 which are top secret # block out on le1 all pass out on le1 all with opt sec-class topsecret block in on le1 all pass in on le1 all with opt sec-class topsecret