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Large packets exceed the maximum transmission unit (MTU) of Ethernet, which can force the target to fragment and reorganize when receiving UDP data, causing network congestion. . . .何风轻笑点头道：不错，你为了证明自己，肯定会脱了衣裳给人看。赵匡胤与结拜兄弟柴荣、郑恩及贺彤共同扶助郭威建立后周，遭威女婿德所不容，竟联合契丹耶律世藩杀威，荣为夺帝位，故意不加援手，威重伤而死，传帝位予柴荣。 　　另一方面，匡胤与好友栔傲同时爱上耶律纳兰，纳兰与贺彤则争恋匡胤，匡胤与纳兰因处于敌对关系，未能结合，纳兰伤心返回契丹，匡胤终与贺彤成亲。 　　荣在皇后戚戚献计下，利用匡胤与耶律安图议和，暗里派兵打契丹，二人因此渐生嫌隙，及后匡胤屡立大功，深受官民爱戴，荣恐他拥兵叛变，施计夺其兵权，荣、匡胤终正面冲突。 　　最后，匡胤败荣，被将领黄袍加身，拥立为帝，开国号宋，是为宋太祖。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).Compared with resource consumption attacks, service consumption attacks do not require too much traffic. They mainly carry out accurate fixed-point attacks according to the characteristics of services, such as CC of the Web, retrieval of data services, download of file services, etc. Such attacks are often not aimed at congesting traffic channels or protocol processing channels. They are busy situations in which the server always handles high-consumption services and thus cannot respond to normal services. The detailed schematic diagram is as follows:忽见王爷出来了，大喜，也不出声，忙跟着他下山。