.\" $NetBSD: ipfilter.5,v 1.2 2001/04/11 09:41:37 wiz Exp $ .\" .TH IPFILTER 1 .SH NAME IP Filter .SH DESCRIPTION .PP 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. .SH SEE ALSO ipf(8), ipf(1), ipf(5), ipnat(1), ipnat(5), mkfilters(1)