Machine Specific System Name

[drumil narayan]

--- Rick Stevens <rstevens at vitalstream.com> wrote:
> Algis Zyle - ISS wrote:
> > All,
> >  
> > I'm sure this is pretty straightforward to someone
> out there. We've got 
> > an application that we'll be re-deploying on
> numerous hardware platforms 
> > (99% are RedHat systems). For Security reasons,
> what would be a pretty 
> > solid way at the OS Level to assign a unique
> system Id for that specific 
> > Hardware/OS Level, etc...Basically a type of Key
> to prevent unauthorized 
> > porting to a different machine. It doesn't have to
> be 100% failsafe, 
> > ease of use is preferred. Uname doesn't seem to
> give enough information 
> > at the Linux Level...Any simple scripts or
> comments well appreciated.
> 
> Hmmmm.  You could use the public RSA or DSA key from
> ssh-keygen.  The
> keys are generated the first time sshd is started. 
> You'll find the DSA
> key in the /etc/ssh/ssh_host_dsa_key.pub file.  The
> RSA key is in
> /etc/ssh/ssh_host_rsa_key.pub.  If you need to
> generate them WITHOUT
> starting sshd, use:
> 
> 	ssh-keygen -q -t rsa -f /etc/ssh/ssh_host_rsa_key
> 	ssh-keygen -q -t dsa -f /etc/ssh/ssh_host_dsa_key
> 
> They're reasonably secure.  After all, that's how
> sshd does non-password
> authentication.
>
----------------------------------------------------------------------
> - Rick Stevens, Senior Systems Engineer    
> rstevens at vitalstream.com -
> - VitalStream, Inc.                      
> http://www.vitalstream.com -
> -                                                   
>                 -
> -      A day for firm decisions!!!   Well, then
> again, maybe not!    -
>
----------------------------------------------------------------------
> 
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