@0 scrub in on lo0 all no-df fragment reassemble 
@1 scrub in on lo0 all min-ttl 25 fragment reassemble 
@2 scrub in on lo0 all max-mss 224 fragment reassemble 
@3 scrub out on lo1 all no-df max-mss 224 fragment reassemble 
@4 scrub in on lo0 all max-mss 224 fragment reassemble