CenSin - 6:42 pm on Oct 20, 2010 (gmt 0)

Your hosting provider does, in fact, claim to handle DDOS attacks. That could be a solution if it really works.

Well,at least that's what they said once in response email when I can't access my site.

I am hosting in there since 2004 (I can't remember exactly), they already know that I am not capable of handling some serious technical issue.

With only raw log files to analyze, don't expect to troubleshoot that issue in short period. Better leave it to the datacenter guys at your provider to do that.