1.\" Copyright (c) 2019 Gleb Smirnoff <glebius@FreeBSD.org> 2.\" 3.\" Redistribution and use in source and binary forms, with or without 4.\" modification, are permitted provided that the following conditions 5.\" are met: 6.\" 1. Redistributions of source code must retain the above copyright 7.\" notice, this list of conditions and the following disclaimer. 8.\" 2. Redistributions in binary form must reproduce the above copyright 9.\" notice, this list of conditions and the following disclaimer in the 10.\" documentation and/or other materials provided with the distribution. 11.\" 12.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 13.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 14.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 15.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 16.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 17.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 18.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 19.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 20.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 21.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 22.\" SUCH DAMAGE. 23.\" 24.Dd January 28, 2019 25.Dt PFILCTL 8 26.Os 27.Sh NAME 28.Nm pfilctl 29.Nd pfil(9) control utility 30.Sh SYNOPSIS 31.Nm 32.Cm heads 33.Nm 34.Cm hooks 35.Nm 36.Cm link 37.Aq Fl i | Fl o 38.Op Fl a 39.Ar hook Ar head 40.Nm 41.Cm unlink 42.Aq Fl i | Fl o 43.Ar hook Ar head 44.Sh DESCRIPTION 45The 46.Nm 47utility is intended to view and change configuration of the 48.Xr pfil 9 49packet filtering hooks and filters on them. 50.Sh COMMANDS 51.Bl -tag -width "unlink" 52.It Cm heads 53List available packet filtering points. 54.It Cm hooks 55List available packet filters. 56.It Xo 57.Cm link 58.Aq Fl i | Fl o 59.Op Fl a 60.Ar hook Ar head 61.Xc 62Link 63.Ar hook 64to 65.Ar head . 66With the 67.Fl i 68flag the hook will be connected as input and with 69.Fl o 70as output hook. 71At least one of 72.Fl i 73or 74.Fl o 75is required. 76By default 77.Nm 78will prepend the hook in front of other hooks if any present: 79new hook will be as close to the wire as possible, so that on input 80it will be the first filter and on output it will be the last. 81Adding the 82.Fl a 83flag switches to appending new hook instead of prepending. 84.It Xo 85.Cm unlink 86.Aq Fl i | Fl o 87.Ar hook Ar head 88.Xc 89Unlink 90.Ar hook 91on 92.Ar head . 93At least one of 94.Fl i 95or 96.Fl o 97is required. 98With the 99.Fl i 100flag the hook will be removed from the input list of hooks 101and with 102.Fl o 103on output list. 104.El 105.Sh SEE ALSO 106.Xr ipfilter 4 , 107.Xr ipfw 4 , 108.Xr pf 4 , 109.Xr pfil 9 110.Sh AUTHORS 111.An -nosplit 112The 113.Nm 114utility was written by 115.An Gleb Smirnoff Aq Mt glebius@FreeBSD.org . 116