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Date:      Thu, 10 May 2001 13:22:45 +0100
From:      Rasputin <rara.rasputin@virgin.net>
To:        questions@freebsd.org
Subject:   Re: IPSec increases performance ???
Message-ID:  <20010510132245.B90028@dogma.freebsd-uk.eu.org>
In-Reply-To: <20010510051449.B2516@xor.obsecurity.org>; from kris@obsecurity.org on Thu, May 10, 2001 at 05:14:49AM -0700
References:  <20010510104459.8966.qmail@web3103.mail.yahoo.com> <20010510051449.B2516@xor.obsecurity.org>

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* Kris Kennaway <kris@obsecurity.org> [010510 13:16]:
> On Thu, May 10, 2001 at 11:44:59AM +0100, Gavin Kenny wrote:
> 
> > With normal ftp it varies wildly from 1.58sec to
> > 5.36sec, on average it takes about 2.6 sec.
> > 
> > Now if I set up an IPSec tunnel between the two
> > machines and use ftp to transfer the same file the
> > time if far more stable at about 2.4 sec.
> > 
> > There are no other users on the system. Why is IPSec
> > faster? Surely the extra processing required for the
> > encryption should slow it down. I've read on the net
> > that usually things take twice as long.

Sorry, jumped in halfway through here.
Does IPSec compress data as it sends it, like ssh does (or can)?
Could make a difference if the files were hewge.

> I'd say you haven't benchmarked properly.
> 
> Kris



-- 
A cynic is a person searching for an honest man, with a stolen
lantern.
		-- Edgar A. Shoaff
Rasputin :: Jack of All Trades - Master of Nuns ::

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