pass in exp { "ip.src != 1.1.1.0/24; tcp.dport = 80;" }
pass in exp { "ip.addr = 1.2.3.4,5.6.7.8;" }
block out exp { "ip.dst= 127.0.0.0/8;" }
block in exp { "udp.sport=53;udp.dport=53;" }
pass out exp { "tcp.sport=22; tcp.port=25;" }
