Slow connection performance with ssh2

Markus Friedl markus at openbsd.org
Mon Nov 5 08:55:49 EST 2001


On Sun, Nov 04, 2001 at 07:29:55PM +0100, Gert Doering wrote:
> Hi,
> 
> On Sun, Nov 04, 2001 at 09:05:19AM -0500, Gregory Leblanc wrote:
> > > As my hardware is slower (Sparc LX, NetBSD, 50 MHz CPU) it takes more 
> > > than 2 minutes (!!), which are spent on CPU cycles in ssh and sshd - running
> > > with 95% CPU... - the overall CPU time used by sshd for a successful
> > > connect is about 2:50 minutes
> > 
> > Older SPARCs in general are bloody slow at encryption operations.  
> 
> I know that :-) (still: ssh protocol 1 connects in less than 5 seconds).

so DH is probably slow on your machine. doing RSA twice
seems faster. you could try to run
	$ openssl speed

-m



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