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you can easily install ddos deflate and iptables.I can easily help with this if your on linux.
Use cloudflare and you will be safe.
Part of the problem that I have with using certain things is that as I am doing football streams certain places won't accept me, so when I find somewhere that is really working to fix the problem I tend to stay with them.
Equally I have just moved servers and don't really want to do it again unless really needed.
I'm Under Attack should help. There are also some other tips for dealing with a DDoS you could look at.
Ask your host to turn on Cisco Guard.
mate when i try sign up to your forum it keeps telling me the image verification thing didn't verify...
i tried like 4 times :S
If you got enough fund, you should try staminus dot net. They are great in DDoS protection