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The real limiting factor for a single attacker who uses spoofing attacks is that if these spoofed packets can be traced back to their real addresses in some way, the attacker will be simply defeated. Although the backtracking process requires some time and cooperation between ISPs, it is not impossible. However, it will be more difficult to prevent distributed SYN flooding attacks launched by attackers using the advantage of the number of hosts in the network. As shown in FIG. 3, these host groups can use direct attacks or further let each host use spoofing attacks.天啊……你能知道我现在是什么感觉？吕馨看着陈启，一句一句的说道。Anyway, the smell is very bad. I feel that the worst smell I have ever smelled in my life is it, but it is all a small meaning. It took me a few minutes to feel sick and uncomfortable. The Vietnamese army's attack started again. From this onwards, it can also be said to be the most difficult period in the defense war of the whole 142 position. "Zhao Mingkai said.And what is Naruto's performance when he is not cut, everyone can see at a glance …葫芦则陪在李敬文和泥鳅身边，静听他们说话，偶尔也插上一句。After all, there is not much protection for private individuals. It is not uncommon for private decoration teams to donate money and abscond during decoration.Ten fairies