Tightening up ssh

Graham North northg at shaw.ca
Sun Mar 26 19:53:37 UTC 2006

Hi Mark:
You recently wrote:

"Users are encouraged to create single-purpose users with ssh keys
and very narrowly defined sudo privileges instead of using root
for automated tasks."

Does this mean that there is a way to run ssh, but only allow certain users to use it.   My default seems to have been that if someone has a username and password they can access ssh (except root as "PermitRootLogin no" is the default).   The ssh port seems to be the most heavily attacked one on my machine and so I recently took to blocking port 22.   My preference would be to enable it to only one user and give them an obscure username and strong password.  Root is not currently allowed access by default in the setup.

Is this the approach that you alluded to above?   Can you point me to some information or provide some tips.
Thanks,  Graham/


Kindness can be infectious - try it.

Graham North
Vancouver, BC

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