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FAST_IPSEC(4)	       FreeBSD Kernel Interfaces Manual		 FAST_IPSEC(4)

NAME
     Fast IPsec	-- Hardware-accelerated	IP Security Protocols

SYNOPSIS
     options FAST_IPSEC
     device crypto

     net.inet.esp.enable
     net.inet.ah.enable
     net.inet.ipcomp.enable

DESCRIPTION
     IPsec is a	set of protocols, ESP (for Encapsulating Security Payload) AH
     (for Authentication Header), and IPComp (for IP Payload Compression Pro-
     tocol) that provide security services for IP datagrams.  Fast IPsec is an
     experimental implementation of these protocols that uses the crypto(4)
     subsystem to carry	out cryptographic operations.  This means, in particu-
     lar, that cryptograph hardware devices are	employed whenever possible to
     optimize the performance of these protocols.

     In	general	the Fast IPsec implementation is intended to be	compatible
     with the KAME IPsec implementation.  This documentation concentrates on
     differences from that software.  The user should refer to ipsec(4)	for
     basic information on setting up and using these protocols.

     System configuration requires the crypto subsystem.  When the Fast	IPsec
     protocols are configured for use all protocols are	included in the	sys-
     tem.  To selectively enable/disable protocols use sysctl(8).

DIAGNOSTICS
     To	be added.

BUGS
     There is presently	no support for IPv6.  The IPcomp protocol support does
     not work.	Certain	legacy authentication algorithms are not supported
     because of	issues with the	crypto subsystem.  This	documentation is
     incomplete.

SEE ALSO
     ipsec(4), setkey(8), sysctl(8)

HISTORY
     The protocols draw	heavily	on the OpenBSD implementation of the IPsec
     protocols.	 The policy management code is derived from the	KAME implemen-
     tation found in their IPsec protocols.  The Fast IPsec protocols first
     appeared in FreeBSD 5.0.

FreeBSD	10.1		       January 20, 2003			  FreeBSD 10.1

NAME | SYNOPSIS | DESCRIPTION | DIAGNOSTICS | BUGS | SEE ALSO | HISTORY

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