IPFILTER(1) FreeBSD General Commands Manual IPFILTER(1) NAME IP Filter DESCRIPTION IP Filter is a package providing packet filtering capabilities for a variety of operating systems. On a properly setup system, it can be used to build a firewall. SEE ALSO ipf(8), ipf(1), ipf(5), ipnat(8), ipnat(5), mkfilters(1) IPFILTER(1)