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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
     Protocol) 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
     particular, that cryptographic 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(4) subsystem.  When the Fast
     IPsec protocols are configured for use, all protocols are included in the
     system.  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(4) subsystem.

     This documentation is incomplete.

SEE ALSO
     crypto(4), 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
     implementation found in their IPsec protocols.  The Fast IPsec protocols
     first appeared in FreeBSD 5.0.

FreeBSD 11.0-PRERELEASE        January 20, 2003        FreeBSD 11.0-PRERELEASE

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

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