NAME
ipfw —
IP packet filter and traffic
accounting
DESCRIPTION
Ipfw is a system facility which allows filtering,
redirecting, and other operations on IP packets travelling through system
interfaces.
The user interface for ipfw is implemented
by the ipfw(8) program.
KERNEL OPTIONS
The following options in the kernel configuration file are related
to ipfw operation: Options in the kernel
configuration file:
options IPFIREWALL- enable
ipfw options IPFIREWALL_VERBOSE- enable firewall logging
options IPFIREWALL_VERBOSE_LIMIT- limit firewall logging
options IPDIVERT- enable divert(4) sockets
SEE ALSO
setsockopt(2), divert(4), ip(4), ipfw(8), sysctl(8), syslogd(8)