Accessing Computer

Daniel Grant daniel at
Fri Jan 8 13:32:34 UTC 2010

On 08/01/2010 12:50, Carmel wrote:
> Assume three computers.
> Computer 1 runs Windows with Putty installed
> Computer 2&  3 run FreeBSD
> Computer 1 runs Putty and creates a key that is installed on computer 2.
> Computer 2 has a key that is installed on computer 3.
> If someone were to use computer 1 via Putty to access computer 2, would
> they then be able to access computer 3? If so, how could I prevent it
> from happening?
> I am not good at explaining things, so I hope you understand what I am referring to.

I would suggest protecting your keys with a passphrase, then the key 
alone is not enough to gain access to the machines.

Simply put - in order for someone to access computer 3 from computer 2, 
would be for computer 3 to have computer 2's public key.  So if computer 
2's private key can be accessed from computer 1, then yes access to 
computer 3 could be granted.

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