| MKFILTERS(1) | General Commands Manual | MKFILTERS(1) | 
mkfilters - generate a minimal firewall ruleset for ipfilter
mkfilters is a perl script that generates a minimal filter rule set for
  use with ipfilter by parsing the output of ifconfig.
/usr/share/examples/ipf/mkfilters
ipf(8), ipf(5), ipfilter(4), ifconfig(8)