ipfirewall.4 revision 106073
$FreeBSD: head/share/man/man4/ipfirewall.4 106073 2002-10-28 07:24:58Z luigi $
.Dd June 22, 1997 .Dt IPFW 4 .Os .Sh NAME .Nm ipfw .Nd IP packet filter and traffic accounting .Sh DESCRIPTION .Em ipfw is a system facility which allows filtering, redirecting, and other operations on IP packets travelling through system interfaces.
$FreeBSD: head/share/man/man4/ipfirewall.4 106073 2002-10-28 07:24:58Z luigi $
.Dd June 22, 1997 .Dt IPFW 4 .Os .Sh NAME .Nm ipfw .Nd IP packet filter and traffic accounting .Sh DESCRIPTION .Em ipfw is a system facility which allows filtering, redirecting, and other operations on IP packets travelling through system interfaces.
p The user interface for .Em ipfw is implemented by the .Nm ipfw program, so the reader is referred to the .Xr ipfw 8 manpage for a complete description of the capabilities of .Em ipfw and how to use it.
p .Sh KERNEL OPTIONS The following options in the kernel configuration file are related to .Em ipfw operation: Options in the kernel configuration file: l -tag -width "options IPFIREWALL_VERBOSE_LIMIT" t Cd options IPFIREWALL enable .Nm t Cd options IPFIREWALL_VERBOSE enable firewall logging t Cd options IPFIREWALL_VERBOSE_LIMIT limit firewall logging t Cd options IPDIVERT enable .Xr divert 4 sockets .El
p .Sh SEE ALSO .Xr setsockopt 2 , .Xr divert 4 , .Xr ip 4 , .Xr ipfw 8 , .Xr sysctl 8 , .Xr syslogd 8