Anchors: alternative structure

alternative structure: common criteria

anchor "dmz" on $dmz_if {
        pass out proto { tcp udp } to $nameservers port domain
	pass out proto tcp to $webservers port { www https }
	pass out proto tcp to $mailserver port smtp
	pass in log (all, to pflog1) in proto tcp from $mailserver \
                to any port smtp 
	}