ext_if="fxp0"
int_if="fxp1"
internal_net="192.168.1.0/24"
nick="192.168.1.2"
ssh_ports="22"
im_ports="80"
scrub in all
altq on $ext_if cbq bandwidth 1Mb queue { std_out, ssh_im_out, dns_out, tcp_ack_out, nick_out }
queue std_out cbq(default)
queue ssh_im_out  priority 4
queue dns_out priority 5
queue tcp_ack_out priority 6
queue nick_out bandwidth 80Kb cbq(borrow)
altq on $int_if cbq bandwidth 6Mb queue { std_in, ssh_im_in, dns_in, nick_in }
queue std_in bandwidth 3.5Mb cbq(default)
queue ssh_im_in bandwidth 0.25Mb priority 4
queue dns_in bandwidth 0.25Mb priority 5
queue nick_in bandwidth 2.0Mb cbq(borrow)
nat on $ext_if from $internal_net to any -> ($ext_if)
rdr on $ext_if proto { tcp, udp } from any to any port 15060 -> 192.168.1.2
rdr on $ext_if proto { tcp, udp } from any to any port 55060 -> 192.168.1.2
rdr on $ext_if proto { tcp, udp } from any to any port 3389 -> 192.168.1.55
rdr on $ext_if proto { tcp, udp } from any to any port 21 -> 192.168.1.60
rdr on $ext_if proto { tcp, udp } from any to any port 10000 -> 192.168.1.60
block in on $ext_if all
block out on $ext_if all
pass out on $ext_if inet proto tcp from (fxp0) to any flags S/SA keep state queue(std_out, tcp_ack_out)
pass out on $ext_if inet proto { udp icmp } from (fxp0) to any keep state
pass out on $ext_if inet proto { tcp udp } from (fxp0) to any port domain keep state queue dns_out
pass out on $ext_if inet proto tcp from (fxp0) to any port $ssh_ports flags S/SA keep state queue(std_out, ssh_im_out)
pass out on $ext_if inet proto tcp from (fxp0) to any port $im_ports flags S/SA keep state queue(ssh_im_out, tcp_ack_out)
pass out on $ext_if inet proto { tcp udp icmp } from $nick to any queue nick_out
pass in on $ext_if proto { tcp, udp } from any to any port 15060 keep state
pass in on $ext_if proto { tcp, udp } from any to any port 55060 keep state
pass in on $ext_if proto { tcp, udp } from any to any port 3389 keep state
pass in on $ext_if proto { tcp, udp } from any to any port 21 keep state
pass in on $ext_if proto { tcp, udp } from any to any port 10000 keep state
block in on $int_if all
pass in on $int_if from $internal_net
block out on $int_if all
pass out on $int_if from any to $internal_net
pass out on $int_if proto { tcp udp } from any port domain to $internal_net queue dns_in
pass out on $int_if proto tcp from any port $ssh_ports to $internal_net queue(std_in, ssh_im_in)
pass out on $int_if proto tcp from any port $im_ports to $internal_net queue ssh_im_in
pass out on $int_if from any to $nick queue nick_in
pass quick on lo0 all
pass out on $ext_if proto { tcp, udp, icmp } all modulate state flags S/SA
pass out on $ext_if proto { udp, icmp } all keep state
pass in on $int_if from $internal_net to any