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爱丽丝的声音清脆灵动，犹如大珠小珠落玉盘，很是悦耳动听，但是话的内容……实在是让陈启不知道该说什么好。Article 27 The maintenance and testing institutions of fire-fighting facilities shall carry out testing, repair and maintenance in accordance with the processes and procedures prescribed by the national standards and industry standards to ensure that the quality of the repaired and maintained building fire-fighting facilities and fire extinguishers meets the national standards and industry standards.他之所以恐吓，不过是见那两汉子神色慌张，想诈一诈而已。人人有奖，现在立刻关注dd微信公众号。板栗宽慰道：常胜将军在天有灵，看见汪兄弟升了将军，肯定会高兴的。According to statistics, SYN attack is the most common and easily used attack method among all hacker attacks. I believe many people still remember the attack on YAHOO website in 2000. At that time, hackers used simple and effective SYN attacks. Some network worms cooperated with SYN attacks to cause greater damage. This paper introduces the basic principle, tools and detection methods of SYN attack, and comprehensively discusses the prevention technology of SYN attack.