[Beowulf] Password less ssh

Suvendra Nath Dutta sdutta at cfa.harvard.edu
Wed Dec 8 11:16:50 EST 2004


This is exactly the steps I followed from another past email in this list. 
But it didn't work for me. Which is why I wondered if something was 
different about this particular version of OpenSSH or SUSE.

Suvendra


On Wed, 8 Dec 2004, Sean Dilda wrote:

> Suvendra Nath Dutta wrote:
>> On this note, I know this has been rehashed many times before, but using 
>> OpenSSH 3.8 on SUSE 9.1, I couldn't get host authentication to work. I 
>> followed all the instructions out in the web but everything failed. I ended 
>> up copying the root's dsa key to every user's ssh directory and using 
>> public-key authentication. Has someone successfully implemented host 
>> authentication using SSH (hopefully v2) 
>
> Yes
>
> and has written it up in a
>> nice How To?
>
> No :)
>
> Some stuff that might be useful:
>
> in ssh_config:
>
> HostbasedAuthentication yes
> EnableSSHKeysign yes  # This may not be needed, depending on your version of 
> ssh
>
> and the 'HostbasedAuthentication' flag needs to be set in sshd_config as 
> well.
>
> You also need to make sure all the appropriate keys are in 
> /etc/ssh/ssh_known_hosts
>
> And /etc/ssh/shosts.equiv needs to be setup.  I did mine with netgroups.
>
> And if you want root to be able to ssh in with host based, you need to setup 
> /root/.shosts as well.
>
> I did this on RHL9 and RHEL3.
>
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