1.\" $NetBSD: pf.boot.conf.5,v 1.1 2005/08/23 12:12:56 peter Exp $ 2.\" 3.\" Copyright (c) 2005 Peter Postma <peter@NetBSD.org> 4.\" All rights reserved. 5.\" 6.\" Redistribution and use in source and binary forms, with or without 7.\" modification, are permitted provided that the following conditions 8.\" are met: 9.\" 1. Redistributions of source code must retain the above copyright 10.\" notice, this list of conditions and the following disclaimer. 11.\" 2. Redistributions in binary form must reproduce the above copyright 12.\" notice, this list of conditions and the following disclaimer in the 13.\" documentation and/or other materials provided with the distribution. 14.\" 15.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25.\" SUCH DAMAGE. 26.\" 27.Dd August 17, 2005 28.Dt PF.BOOT.CONF 5 29.Os 30.Sh NAME 31.Nm pf.boot.conf 32.Nd initial configuration for packet filter 33.Sh DESCRIPTION 34The 35.Nm 36file is used as initial configuration for the 37.Xr pf 4 38packet filter. 39This file is loaded before the network is configured by the 40.Xr rc.d 8 41script 42.Em network . 43Its purpose is to protect the machine from possible attacks between 44the network configuration and the loading of the final ruleset. 45.Pp 46The syntax of this file is described in 47.Xr pf.conf 5 . 48.Pp 49Note that at the stage the configuration is loaded, the network 50interface(s) do not have an IP address yet, so you 51.Em cannot 52use rules that derive addresses from an interface (for example: 53.Dq pass out from any to fxp0 ) . 54.Sh FILES 55.Bl -tag -width "/etc/defaults/pf.boot.conf" -compact 56.It Pa /etc/defaults/pf.boot.conf 57Default initial ruleset file. 58.It Pa /etc/pf.boot.conf 59Override of the default initial ruleset file. 60.El 61.Sh EXAMPLES 62When using NFS (e.g. diskless situations), you'll also need the following 63rules in addition to the default rules to unblock NFS: 64.Bd -literal -offset indent 65scrub in all no-df 66pass in proto udp from any port { 111, 2049 } to any 67pass out proto udp from any to any port { 111, 2049 } 68.Ed 69.Sh SEE ALSO 70.Xr pf 4 , 71.Xr pf.conf 5 , 72.Xr pfctl 8 73