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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).他们在商议什么？不会又在琢磨卑鄙的勾当吧？都说你没见识了，那叫计谋。Http://www.jiemian.com/article/2054952.html该剧描述的是因为惨痛的家族史而必须忍痛离开初恋的男女主角，在12年后重逢，因心中的裂痕而令人鼻酸的爱情故事。因为事故而失去了双眼，同时也关闭了心门的医院院长女儿尹书婉，与想要守护自己所爱的人的少年朴东洙，展开一段爱情故事。虽然令人心痛但却纯粹，像天使的眼睛一般清澈透亮的爱情故事。　　贯穿始终、充满诡谲色彩的无间道人物和特殊背景下奇异的剿匪情节，紧密地缠绕在暴狱和反暴狱的主干链条上，使这个同样是讲述囚徒、监狱和匪事的故事显得新鲜而又与众不同。2011年康师傅茉莉清茶以全新的女生视角，以不变的星座话题打造新一季的12星座系列浪漫爱情短剧。让我们继续学习如何爱如何表达爱，扭转命运，成为一个更好的自己，体会爱情中的成长体验！