1 .\" Copyright (c) 2019 Gleb Smirnoff <glebius@FreeBSD.org>
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31 .Nd pfil(9) control utility
49 utility is intended to view and change configuration of the
51 packet filtering hooks and filters on them.
53 .Bl -tag -width "unlink"
55 List available packet filtering points.
57 List available packet filters.
70 flag the hook will be connected as input and with
80 will prepend the hook in front of other hooks if any present:
81 new hook will be as close to the wire as possible, so that on input
82 it will be the first filter and on output it will be the last.
85 flag switches to appending new hook instead of prepending.
102 flag the hook will be removed from the input list of hooks
116 utility was written by
117 .An Gleb Smirnoff Aq Mt glebius@FreeBSD.org .