LXer: Security in Three Ds: Detect, Decide and Deny
 

Published at LXer:

Whenever a server is accessible via the Internet, it's a safe bet thathackers will be trying to access it. Just look at the SSH logsfor any server you use, and you'll surely find lots of "authenticationfailure" lines, originating from IPs that have nothing to do with youor your business.

Read More...