[ArabicMan]

Originally Posted by YamiKaitou iptables will only help on a DoS, and even then it might not be helpful depending on the attack. For a true DDoS, it must be blocked by equipment not on your server, so something on the network such as a Firewall or other device designed to assist in the mitigation of DDoS. If you had done some research on this subject before you posted, you would have found this already

Thanks YamiKaitou and if i contact my compny that i buy vps from it it can help me ?