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The attacker first completes the three-way handshake to establish the connection, but in the last ACK reply of the three-way handshake, the TCP window size is set to 0, and then a data request is made. When the attack target sends the request result to the attacker, it stops the data transmission when it finds that the TCP window size is 0, and sends out a TCP window detection packet to ask the attacker if the TCP window has been updated. Since the attacker will not update the window size, the attack target will always maintain the TCP connection and wait for the data to be sent, and continuously carry out TCP window size detection. When the number of controlled hosts in the botnet is large, Target's connection table will gradually be exhausted, resulting in denial of service.整个宇宙分为域内宇宙和域外宇宙，两个宇宙彼此为敌，域外宇宙由天魔统治，域内宇宙分为神界，仙界，凡间。讲述了尹泰悟(珉豪 饰)、韩松伊(朴素丹 饰)、徐智安(金珉载 饰)、崔勋(李利敬 饰)、吴佳琳(赵惠贞 饰)、柳世贤(郑柔真 饰)带著各自的理由将尹泰悟独居的阁楼当成秘密根据地，以各自的方式体验人生逐渐成长的故事。这时，关于天启下一部武侠的小道消息，几乎达到了一个丧心病狂的程度。葫芦立即接过去塞进袖子。一部父子亲情真人秀《爸爸去哪儿》，在中国掀起收视狂潮和广泛热议。明星爸爸们的舐犊情深，和萌娃们天真可爱的俏皮模样，给观众留下了深刻的印象。2014年伊始，该档真人秀强势走上了大银幕。 此次外景地挪到了广州长隆野生动物园林志颖、田亮、王岳伦、张亮和郭涛，带着他们的小宝贝小小志、田雨橙、王诗龄、张悦轩和郭子睿来到了这片野生动物的王国。在代理村长李锐的安排下，大人和孩子开始他们新一轮的任务......