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Compared with SYN cache method, SYN? Cookies technology does not need to allocate space at all when receiving a SYN. Because the most basic data that make up the connection state are encoded and compressed into the sequence number bits of SYN-ACK. For a legitimate connection, the server will receive an ACK message segment with a serial number (actually the serial number has been added by 1), then the basic TCB data will be regenerated, and a complete TCB will confirm that the data will be safely instantiated through decompression. This decompression can be successful even under severe attacks, because there is no storage load at all on the host side, only the load that calculates the encoded data into the ACK sequence number. The disadvantage is that not all TCB data can be added to the 32-bit sequence number segment, so some TCP options required for high performance cannot be encoded. Another problem is that such SYN-ACK message segments will not be forwarded (because forwarding requires complete state data).男尊女卑，以夫为天，那是天经地义。《不装》是乱码传媒＋中国第一性感杂志《男人装》倾力打造的一档禁止装X的明星秀，没有舞台、没有光环、只有一个立体的TA。最犀利的态度、最凶残的嘲讽、最尖锐的问题、最无节操的互动……我们用嬉笑怒骂的方式还原明星作为普通人最真实的状态。你，准备好见证最平凡的偶像了吗？尤其是现在，布置和谋划尚未完全到位的时候，齐梁两国的援军到来更为糟糕。进入清溪谷之后，周浩四处搜寻，向当地的百姓询问也是一个很重要的环节。Divide your skills into some components so that you can practice them over and over again, analyze them effectively, identify your shortcomings, and then come up with various ways to solve them.