foo = "ssh, ftp"
bar = "other thing"
inside = "10.0.0.0/8"
block drop in inet proto udp from 10.0.0.0/8 port = echo to 12.34.56.78 port = 6667 
block drop in inet proto udp from 10.0.0.0/8 port = echo to 12.34.56.78 port = 16 
block drop in inet proto udp from 10.0.0.0/8 port = ssh to 12.34.56.78 port = 6667 
block drop in inet proto udp from 10.0.0.0/8 port = ssh to 12.34.56.78 port = 16 
block drop in inet proto udp from 10.0.0.0/8 port = 21 to 12.34.56.78 port = 6667 
block drop in inet proto udp from 10.0.0.0/8 port = 21 to 12.34.56.78 port = 16 
block drop in inet proto udp from 10.0.0.0/8 port = 113 to 12.34.56.78 port = 6667 
block drop in inet proto udp from 10.0.0.0/8 port = 113 to 12.34.56.78 port = 16