$ ipfw -aN list
00100 0 0 allow ip from any to any via lo0
00200 0 0 deny ip from any to 127.0.0.0/8
00300 0 0 deny ip from 127.0.0.0/8 to any
00400 0 0 deny ip from any to localhost
00500 0 0 deny ip from localhost to any
00600 0 0 allow ipv6-icmp from :: to ff02::/16
00700 0 0 allow ipv6-icmp from fe80::/10 to fe80::/10
00800 0 0 allow ipv6-icmp from fe80::/10 to ff02::/16
00900 0 0 allow ipv6-icmp from any to any icmp6types 1
01000 0 0 allow ipv6-icmp from any to any icmp6types 2,135,136
10000 0 0 deny tcp from 123.0.0.0/8 to me ssh
65535 5019 756274 allow ip from any to any
4. フィルタ設定のオプション
フィルタを設定する際の主なパラメータ・オプションを提示しておきます。
ipfw [-N] command [index] action [log] protocol from アドレス [port] to アドレス [port] [via interface] [option]