ipfw add 10 allow log logamount 10000 ip from 192.168.1.0/24 to 192.168.1.0/24 via ppp0

ipfw add 60 allow tcp from 192.168.1.1 20,21,22,200,3128-45000 to 192.168.1.0/24 via ppp0
ipfw add 61 allow tcp from 192.168.1.1 20,21,22,200,3128-45000 to 192.168.1.0/24 via ppp1
ipfw add 70 allow tcp from 192.168.1.0/24 to 192.168.1.1 20,21,22,200,3128-45000  via ppp0
ipfw add 71 allow tcp from 192.168.1.0/24 to 192.168.1.1 20,21,22,200,3128-45000  via ppp1
ipfw add 72 deny tcp from 192.168.1.0/24 to any 80,8000-8888  via ppp0
ipfw add 73 deny tcp from 192.168.1.0/24 to any 80,8000-8888  via ppp1
ipfw add 80 allow icmp from 192.168.1.0/24 to 192.168.1.0/24 icmptype 0,3,4,8,11 via ppp0
ipfw add 81 allow icmp from 192.168.1.0/24 to 192.168.1.0/24 icmptype 0,3,4,8,11 via ppp1
ipfw add 90 allow udp from 192.168.1.0/24 to 192.168.1.1 53 via ppp0
ipfw add 91 allow udp from 192.168.1.0/24 to 192.168.0.1 53 via ppp0
ipfw add 92 allow udp from 192.168.1.0/24 to 192.168.1.1 53 via ppp1
ipfw add 93 allow udp from 192.168.1.0/24 to 192.168.0.1 53 via ppp1
ipfw add 94 allow udp from 192.168.1.1 53 to 192.168.1.0/24 via ppp0
ipfw add 95 allow udp from 192.168.0.1 53 to 192.168.1.0/24 via ppp0
ipfw add 96 allow udp from 192.168.1.1 53 to 192.168.1.0/24 via ppp1
ipfw add 97 allow udp from 192.168.0.1 53 to 192.168.1.0/24 via ppp1