I have got a Debian server hacked. Please help me understand how can I protect it before it can get hacked again within the constraints of my setup?
Below is my setup and the list of processes at the time of the attack. Some of my php scripts are still using "globals" so 5.2.x is still needed.
Debian O/S: squeeze(6)
Attached is the processes at the time of the attack with the commands: "top" and "ps -ef".