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IPFW (4) | Special files and drivers | Unix Manual Pages | :man

NAME

ipfw - IP packet filter and traffic accounting

CONTENTS

Description
Kernel Options
See Also

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)


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