[CentOS] Securing SSH

[Tim Alberts]

Tim Alberts wrote:
> So I setup ssh on a server so I could do some work from home and I 
> think the second I opened it every sorry monkey from around the world 
> has been trying every account name imaginable to get into the system.
>
> What's a good way to deal with this?
>
SSH question.  Can I setup a group of users who can access SSH from the 
local network.  Then a separate list of users that can access SSH from 
the internet?