text: block drop all
  block return all
  block return-rst proto tcp all
  pass all flags S/SA
  pass in all no state
  pass out all no state
  pass all no state
  block drop in all
  block drop out all
  block drop all
  pass in all flags S/SA
  pass out all flags S/SA
  block drop on lo0 all
  pass on lo0 all flags S/SA
  block drop on lo0 all
  pass proto tcp all flags S/SA
  pass proto udp all
  pass in proto udp all
  pass out proto udp all
  pass out on lo0 proto tcp from any to any port = 25 flags S/SA
  