118 lines
3.5 KiB
Groff
118 lines
3.5 KiB
Groff
.\" $NetBSD: fast_ipsec.4,v 1.14 2013/06/05 23:08:10 christos Exp $
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.\" $FreeBSD: fast_ipsec.4,v 1.2 2003/03/03 11:51:30 ru Exp $
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.\"
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.\" Copyright (c) 2004
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.\" Jonathan Stone <jonathan@dsg.stanford.edu>. All rights reserved.
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.\"
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.\" Copyright (c) 2003
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.\" Sam Leffler <sam@errno.com>. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY Sam Leffler AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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.\" BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" THE POSSIBILITY OF SUCH DAMAGE.
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.\"
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.Dd June 5, 2013
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.Dt FAST_IPSEC 4
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.Os
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.Sh NAME
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.Nm fast_ipsec
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.Nd Fast IPsec hardware-accelerated IP Security Protocols
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.Sh SYNOPSIS
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.Cd "options IPSEC"
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.Cd "options IPSEC_DEBUG"
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.Sh DESCRIPTION
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.Tn IPsec
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is a set of protocols,
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.Tn ESP
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(for Encapsulating Security Payload)
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.Tn AH
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(for Authentication Header),
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and
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.Tn IPComp
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(for IP Payload Compression Protocol)
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that provide security services for IP datagrams.
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Fast IPsec
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is an implementation of these protocols that uses the
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.Xr opencrypto 9
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subsystem to carry out cryptographic operations.
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This means, in particular, that cryptographic hardware devices are
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employed whenever possible to optimize the performance of these protocols.
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.Pp
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In general, the
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Fast IPsec
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implementation is intended to be compatible with the
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.Tn KAME IPsec
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implementation.
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The user should refer to
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.Xr ipsec 4
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for basic information on setting up and using these protocols.
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.Pp
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System configuration requires the
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.Xr opencrypto 9
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subsystem.
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When the
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Fast IPsec
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protocols are configured for use, all protocols are included in the system.
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To selectively enable/disable protocols, use
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.Xr sysctl 8 .
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.Sh DIAGNOSTICS
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To be added.
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.Sh SEE ALSO
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.Xr setkey 8 ,
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.Xr sysctl 8 ,
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.Xr opencrypto 9
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.Sh HISTORY
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The protocols draw heavily on the
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.Ox
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implementation of the
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.Tn IPsec
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protocols.
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The policy management code is derived from the
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.Tn KAME
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implementation found in their
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.Tn IPsec
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protocols.
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The
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Fast IPsec
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protocols are based on code which appeared in
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.Fx 4.7 .
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The
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.Nx
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version is a close copy of the
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.Fx
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original, and first appeared in
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.Nx 2.0 .
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.Pp
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Support for IPv6 and
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.Tn IPcomp
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protocols has been added in
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.Nx 4.0 .
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.Pp
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Support Network Address Translator Traversal as
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described in RFCs 3947 and 3948 has been added in
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.Nx 5.0 .
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.Sh BUGS
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Certain legacy authentication algorithms are not supported because of
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issues with the
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.Xr opencrypto 9
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subsystem.
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.Pp
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This documentation is incomplete.
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