scrub in from <regress.1> to any fragment reassemble 
scrub in from ! <regress.2> to any fragment reassemble 
scrub out from any to ! <regress.1> fragment reassemble 
scrub out from any to <regress.2> fragment reassemble 
nat on lo0 inet from <regress.1> to <regress.2> -> 127.0.0.1
nat on ! lo0 inet from ! <regress.1> to <regress.2> -> 127.0.0.1
rdr on lo0 inet from <regress.1> to <regress.2> -> 127.0.0.1
rdr on ! lo0 inet from ! <regress.1> to <regress.2> -> 127.0.0.1
pass in from <regress> to any 
pass out from any to <regress> 
pass in from <regress.1> to any 
pass in from <regress.2> to any 
pass out from any to ! <regress.1> 
pass out from any to ! <regress.2>