Help My Server Gets DDos Atacks

[Duffnexter]

Well here is my story i run mu online server i use sql 2000, Apache and stygate firewall, i duble checked firewall its not blocking me and i got in firewall logs that someone is scanning my computer. i restart the website and run it normally all works than a soon i loog out from skype where i talk to ppl about server website is goin down after 1 minute after i log out, then i got a message from a guy who does it saying if i wont give him admin he keep doin it nonstop, i need you guys to help me secure my website as much as its passable

[Edge100x]

What do the Apache logs show? Is this person hammering your webserver with connection attempts, or is it something more complicated than that?

If he's hammering you with connections, blocking the attacking IPs should work well to block it. If it's something more complicated, you may need to use a program like windump or wireshark to see the traffic and determine the IPs.

Are you running the latest version of Apache?