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其实，紫茄的亲事老早就开始物色了。The other two schemes are based on SYN cache and SYN? Cookies (see 6.4), simplifies the state initialized when the TCB is generated by receiving the SYN, and delays the instantiation of the full state [4]. In hosts that use SYN caching, a HASH tablespace with a limited size is used to store a subset of data that will be allocated to the TCB. If the ACK is received when the handshake is completed, the data will be copied into a complete TCB, otherwise HASH values exceeding the lifetime will be recycled when needed. In Lemon's FreeBSD, the SYN cache is 160 bytes for a half-open connection, while a full TCB is 736 bytes and supports 15,359 SYN cache spaces.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:?4 ClassificationThe future of humanity hangs in the balance, as both sides race against time to find the bloodline of Judas Iscariot. When Lexi Smith, a simple college student, finds herself in the middle of an all-out spiritual war, she is forced to trust a complete stranger. Kidnapped, rescued, then in hiding, she knows she has to act, but will she have enough time to save humanity?故事讲述了一群热爱冰球的运动少年在冰雪赛场上奋勇拼搏的蜕变成长故事，不仅呈现了激情四射的逐梦热情，更传递了百折不挠的竞技精神。