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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).一路上萧丞相急急忙忙，生怕多耽误一刻钟，韩信那边会出现什么变故。几位重臣都是谨慎之人，他们既然这样说，必定就有些道理。转头对板栗，板栗，咱爷俩去敬祖宗。讲述转校生大场诚在新学校的悲惨遭遇，因为不了解某些游戏规则，又仗义执言，触碰了暗流势力，又不幸发现了一些不该知道的秘密，于是在学生和老师的双重夹击下，最终被校园恶势力欺负至死。故事前半段着力校园暴力事件，后半段则重点讲述父亲的复仇。4. Printing screenshots of the total amount to be collected on the platform第四季讲述海军驱逐舰Nathan James的舰长Tom Chandler（Eric Dane饰）卸下自己的英雄身份及职责，与家人隐姓埋名住在希腊一个小渔村里；此时Slattery（Adam Baldwin饰）及船员发现病毒虽然没法感染人类，但却变种成能感染全球的粮食作物，令人类面临全球性的饥荒危机。