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In fact, it is not necessary to fully understand, as long as the effect is good.Resource confrontation is also called "dead shoulder", that is, through the piling up of a large number of servers and bandwidth resources to achieve the effect of calmly dealing with DDoS traffic.女子高中生X残念大少爷，从相亲开始的爱情物语。Speaking of the startup mode in Android, it is actually a very basic content. Everyone knows that it is the startup mode in 4. Yes, there are the following four types:今天六一，有孩子的，带孩子吃好玩好。The principle is that syn messages are first responded to syn_ack by DDOS protection system. With a specific sequence number (recorded as a cookie). The real client returns an ack and the Acknowledge number is cookie+1. The fake client will not respond. In this way, we can know that the clients corresponding to those IP are real and add the real client IP to the white list. The next access passes directly, while other forged syn messages are intercepted. The following is a schematic diagram of protection:?黎章沉声道：好了，咱们别跟她废话了。