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For example, HTML code is as follows:Update to v7.1. 0d_release;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).不止何员外。很明显的卖好，听得群臣再次一呆。年轻勇士Uhtred的亲生父母均死于入侵者维京人之手，而年幼的他被维京人抚养长大。为了夺回亡国故土，他游走于敌对双方之间，踏上了危险的征程。 第三季中，Alfred meijubar.net大帝油尽灯枯，但他依旧没有放弃统一英格兰的梦想。Uhtred临危受命迎战新敌人——丹麦战神Sigrid。而老王日薄西山、国家腹背受敌之际，继承人Aethelwold却对王位毫无兴趣，权力更替困难的真空期似乎是Uhtred不可错失的好机会……可他会背叛Alfred大帝吗？一群住在郊区的穆斯林好友追查其友人“马克”失踪的真相，后者被怀疑加入了 ISIS