[CentOS] Securing SSH

Tim Alberts wrote:
> iptables..add the ip of the attack source to reject?  They keep moving 
> IP, this is very time consuming (but I am doing it).  
...

stop thinking 'they', that implies theres someone intentionally 
targetting you.  its just viruses randomly squirting out connection 
requests from 1000s of infected hosts around the world.