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IPFW(4)                FreeBSD Kernel Interfaces Manual                IPFW(4)

NAME
     ipfw - IP packet filter and traffic accounting

DESCRIPTION
     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
     The following options in the kernel configuration file are related to
     ipfw operation:

     IPFIREWALL                    enable ipfw
     IPFIREWALL_VERBOSE            enable ipfw logging
     IPFIREWALL_VERBOSE_LIMIT      limit ipfw logging
     IPDIVERT                      enable divert(4) sockets

SEE ALSO
     setsockopt(2), divert(4), ip(4), ipfw(8), sysctl(8), syslogd(8), pfil(9)

FreeBSD 11.0-PRERELEASE       September 22, 2004       FreeBSD 11.0-PRERELEASE

NAME | DESCRIPTION | SEE ALSO

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