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 :: Mailing Lists

[ILUG] ssh ciphers

[ILUG] ssh ciphers

Hugh Mc Gauran hmcgauran at lgcsb.ie
Wed Oct 2 14:57:03 IST 2002


I believe that 3DES is triple encryption..I am not 100% on this.
So 14.3 as against 5 would be about right I think

--
regards
hugh

-----Original Message-----
From: Stephen Shirley [mailto:diamond at skynet.ie] 
Sent: 02 October 2002 14:42
To: Irish Linux Users Group
Subject: [ILUG] ssh ciphers

Hi,
	I regularly have to transfer files to and from a box across the net
using scp. I've always found it to be pretty damn slow for this. Someone
(i think mr. brady, but i don't have the evidence to hand) suggested
that i try specifying that ssh use the blowfish cipher instead of the
default 3des. I decided to compare them, and found some interesting
results:

	41 megs file d/l. From a dual p3-450 to a p3-800.
	3 runs each, with a pre-test run to make sure file was cached.

	3des: 14.3s
	blowfish: 5s

I have to say i was very susprised at the almost 3x speed difference. I
certainly know which i'll be using in future.

Steve
-- 
High salt diets are bad for you - but only outside marriage.
-- 
Irish Linux Users' Group: ilug at linux.ie
http://www.linux.ie/mailman/listinfo/ilug for (un)subscription information.
List maintainer: listmaster at linux.ie


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