sshd being slow -- hardware related?

Dominic Marks dominic_marks at
Sun Mar 3 15:58:58 GMT 2002

William Cooper wrote:

>Hello again,
>Hope everyone is well.
>A new machine has been added to my LAN at home (6th machine yay) and
>I've noticed a few problems with sshd, it seems it takes at least 3
>minutes to ssh into the machine, and I think this is due to the LAN port
>being onboard. The machine is one of them 'barebone' systems, that you
>buy and only add RAM/CPU/HDD, anyway, the only reason I'm blaming this
>on hardware is because I also have a IBM thinkpad laptop on my network
>running FreeBSD with a pcmcia network card and it takes about 20 seconds
>longer to ssh in compared to my gateway machine.
>Any idea how I can fix this and improve the speed? So far I've ran sshd
>in debug mode (-d) to see if any errors came up and found none just a
>amazing slow speed!
>The machine I'm having trouble with is running FreeBSD 4.4-RELEASE and
>sshd version OpenSSH_2.3.0, the hardware consists of 1Ghz Intel
>processor 256MB ram, 20GB HD. And just for the record, I haven't
>modified any file to do with sshd on the machine.
>Any comments welcome!
>William Cooper
>------ FreeBSD UK Users' Group  -  Mailing List ------
Make sure:

All the hostnames resolve correctly and quickly, from all the machines.


Upgrade your install of OpenSSH to 2.9 or 3.02, you can do this by 
installing the OpenSSH port or by upgrading your world to -STABLE.

Using the blowfish cipher as default.

Using SSH v1 rather than v2


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