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PFILCTL(8)		    System Manager's Manual		    PFILCTL(8)

NAME
       pfilctl -- pfil(9) control utility

SYNOPSIS
       pfilctl heads
       pfilctl hooks
       pfilctl link <-i	| -o> [-a] hook	head
       pfilctl unlink <-i | -o>	hook head

DESCRIPTION
       The pfilctl utility is intended to view and change configuration	of the
       pfil(9) packet filtering	hooks and filters on them.

COMMANDS
       heads   List available packet filtering points.

       hooks   List available packet filters.

       link <-i	| -o> [-a] hook	head
	       Link hook to head.  With	the -i flag the	hook will be connected
	       as  input and with -o as	output hook.  At least one of -i or -o
	       is required.  By	default	pfilctl	will prepend the hook in front
	       of other	hooks if any present: new hook will be as close	to the
	       wire as possible, so that on input it will be the first	filter
	       and on output it	will be	the last.  Adding the -a flag switches
	       to appending new	hook instead of	prepending.

       unlink <-i | -o>	hook head
	       Unlink  hook  on	 head.	 At least one of -i or -o is required.
	       With the	-i flag	the hook will be removed from the  input  list
	       of hooks	and with -o on output list.

SEE ALSO
       ipfilter(4), ipfw(4), pf(4), pfil(9)

AUTHORS
       The pfilctl utility was written by Gleb Smirnoff	<glebius@FreeBSD.org>.

FreeBSD	13.1		       January 28, 2019			    PFILCTL(8)

Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=pfilctl&sektion=8&manpath=FreeBSD+13.1-RELEASE>

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