set address "Trust" "webserver" 192.168.0.1 255.255.255.255
set address "Trust" "ftpserver" 192.168.0.2 255.255.255.255
set address "Untrust" "DNS1" 202.96.134.133 255.255.255.0
set address "Untrust" "DNS2" 202.96.128.68 255.255.255.0
		

unset address "Trust" "webserver"