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Date:	Wed, 28 Nov 2012 13:21:38 -0800 (PST)
From:	anulav2 <anulav2 AT yahoo DOT com>
To:	cygwin AT cygwin DOT com
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Subject:	Re: Passwordless authentication between two domains.
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Andrew,
Keys will "ALWAYS" be different irrespective if it is two servers on same or different domain. 
That is the whole point of copying keys to remote servers authorized_keys file. Else one could just "cat" its own key in its own authorized_keys file, right?



________________________________
 From: Andrew DeFaria-2 [via Cygwin] <ml-node+s1069669n94593h68 AT n5 DOT nabble DOT com>
To: anulav2 <anulav2 AT yahoo DOT com> 
Sent: Wednesday, November 28, 2012 3:11 PM
Subject: Re: Passwordless authentication between two domains.
 

On 11/28/2012 12:54 PM, anulav2 wrote: 
> Yes, i meant passphrase. 
> Diff does not return anything, meaning keys are fine. 
No meaning the keys are *not* fine. As I said twice now: 

I believe, since these are two different domains, that the generated 
keys will *NOT* be the same. If they are the same then regenerate them 
on both machines and compare them again. 

You need to read carefully. Note the *NOT* portion above. I believe that 
since the domains are different the ssh keys will be different. So diff 
should not return nothing but rather it should return that there are 
indeed differences between Domain A:~/.ssh/id_dsa.pub and Domain 
B:~/.ssh/id_dsa.pub. If not then log into Domain A and do the ssh-keygen 
-t dsa and then log into Domain B and do the ssh-keygent -t dsa there. 
They both should produce a ~/.ssh/id_dsa.pub file and those two files 
should be different. This would also mean that you cannot share home 
directories between two different domains... 

> And i have tried regenerating them again. 
> I have added rsa.pub files to authorized_keys on remote servers. No luck. 
> 
> 
> 
> ________________________________ 
>   From: Andrew DeFaria-2 [via Cygwin] <[hidden email]> 
> To: anulav2 <[hidden email]> 
> Sent: Wednesday, November 28, 2012 2:36 PM 
> Subject: Re: Passwordless authentication between two domains. 
>   
> 
> On 11/28/2012 12:21 PM, anulav2 wrote: 
>> ssh-keygen -t dsa 
>> and password was empty. 
> I believe you mean passphrase... 
> 
> What about these issues I mentioned: 
> 
> Additionally is ~/.ssh/id_rsa.pub the same on both machines? (Does diff 
> return no differences?). I believe, since these are two different 
> domains, that the generated keys will not be the same. If they are the 
> same then regenerate them on both machines and compare them again. 
> 
> Also, ~/.ssh/id_rsa.pub from Domain A should be added to the 
> ~/.ssh/authorized_keys on Domain B and visa versa from Domain B -> 
> Domain A. 
> 
> Finally, can you do passwordless authentication between two different 
> machines in Domain A? 
-- 
Andrew DeFaria <http://defaria.com> 
What do people in China call their good plates? 


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