ipfw -- IP packet filter and traffic accounting
The ipfw system facility allows filtering, redirecting, and other operations
on IP packets travelling through network interfaces.
The user interface for ipfw is implemented by the ipfw(8) utility, so
please refer to the ipfw(8) manpage for a complete description of the
ipfw capabilities and how to use it.
Kernel Options [Toc] [Back]
The following options in the kernel configuration file are related to
IPFIREWALL enable ipfw
IPFIREWALL_VERBOSE enable ipfw logging
IPFIREWALL_VERBOSE_LIMIT limit ipfw logging
IPDIVERT enable divert(4) sockets
setsockopt(2), divert(4), ip(4), ipfw(8), sysctl(8), syslogd(8)
FreeBSD 5.2.1 October 28, 2002 FreeBSD 5.2.1 [ Back ]