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.\" $OpenBSD: ipsec.conf.5,v 1.4 2005/04/05 10:07:46 tom Exp $
.\"
.\" Copyright (c) 2004 Mathieu Sauve-Frankel All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\" 3. The name of the author may not be used to endorse or promote products
.\" derived from this software without specific prior written permission.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
.Dd July 7, 2004
.Dt IPSEC.CONF 5
.Os
.Sh NAME
.Nm ipsec.conf
.Nd IPsec configuration file
.Sh DESCRIPTION
.Nm
.Xr ipsec 4
.Sh EXAMPLES
.Bd -literal
.Ed
.Sh GRAMMAR
.Nm
in BNF:
.Bd -literal
line = ( flow-rule | group-rule )
flow-rule = "flow" [( ah-rule | esp-rule | ipip-rule | ipcomp-rule )]
group-rule = "group" "{" flow-rule, flow-rule, ... "}"
ah-rule = "ah" [ "transport" ] [ ( "in" | "out" ) ] [ "log" ]
[ "on" ifspec ] hosts [ peers ] [ spi ] [ xform ] [ key ]
[ tag ]
ipip-rule = "ipip" [ ( "in" | "out" ) ] [ "log" ]
[ "on" ifspec ] hosts [ peers ] [ spi ] [ tag ]
esp-rule = "esp" [ "transport" ] [ ( "in" | "out" ) ] [ "log" ]
[ "on" ifspec ] hosts [ peers ] [ spi ] [ xform ] [ key ]
[ tag ]
ipcomp-rule = "ipcomp" [ ( "in" | "out" ) ] [ "log" ] [ "on" ifspec ]
hosts [ peers ] [ cpi ]
hosts = "from" [
[ port ] "to" ( "any" | "self" | host ) [ port ]
cpi = "cpi" cpispec
cpispec = ( number | number:number )
spi = "spi" spispec
spispec = ( number | number:number )
peers = "peer"
xform = "xform" xformspec
xformspec = ( tranform | transform:transform )
transform = ( enc | enc-auth | auth )
auth = ( "md5" | "rmd160" | "sha1" | "sha2-256" | "sha2-384" |
"sha2-512" )
enc = ( "aes" | "blowfish" | "cast" | "des" | "3des" | "skipjack" )
key = "key" string
ipspec = "any" | host | "{" host-list "}"
host = [ "!" ] ( address [ "/" mask-bits ] | "<" string ">" )
address = ( interface-name | "(" interface-name ")" | hostname |
ipv4-dotted-quad | ipv6-coloned-hex )
.Ed
.\" The following requests should be uncommented and used where appropriate.
.\" This next request is for sections 2, 3, and 9 function return values only.
.\" .Sh RETURN VALUES
.\" This next request is for sections 1, 6, 7 & 8 only.
.\" .Sh ENVIRONMENT
.\" .Sh FILES
.\" .Sh EXAMPLES
.\" This next request is for sections 1, 4, 6, and 8 only.
.\" .Sh DIAGNOSTICS
.\" The next request is for sections 2, 3, and 9 error and signal handling only.
.\" .Sh ERRORS
.\" .Sh SEE ALSO
.\" .Xr foobar 1
.\" .Sh STANDARDS
.Sh HISTORY
The
.Nm
file format first appeared in
.Ox 3.8 .
.\" .Sh CAVEATS
.\" .Sh BUGS
|