pass in on $ext_if proto { tcp, udp } from any to $nameservers \ port domain queue ext_udp pass in on $int_if proto { tcp, udp } from $localnet to $nameservers \ port domain pass out on $dmz_if proto { tcp, udp } from any to $nameservers port \ domain queue ext_dmz_udp pass out on $dmz_if proto { tcp, udp } from $localnet to $nameservers \ port domain queue dmz_udp pass in on $ext_if proto tcp from any to $webserver port $webports \ queue ext_web pass in on $int_if proto tcp from $localnet to $webserver port $webports pass out on $dmz_if proto tcp from any to $webserver port $webports \ queue ext_dmz_web pass out on $dmz_if proto tcp from $localnet to $webserver port $webports \ queue dmz_web pass in log on $ext_if proto tcp from any to $mailserver port smtp pass in log on $ext_if proto tcp from $localnet to $mailserver port smtp pass in log on $int_if proto tcp from $localnet to $mailserver port $email pass out log on $dmz_if proto tcp from any to $mailserver port smtp \ queue ext_mail pass in on $dmz_if from $mailserver to any port smtp queue dmz_mail pass out log on $ext_if proto tcp from $mailserver to any port smtp \ queue ext_dmz_mailt