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In TCP protocol, messages arriving at the destination will enter the buffer of the TCP stack and will not be forwarded to the receiving system until the buffer is full. This is to minimize the number of times the system empties the buffer. However, the sender can force the receiving system to clear the contents of the buffer by sending a TCP message with a PSH flag of 1. The TCP PUSH + ACK attack, like the TCP SYN attack, aims to deplete the resources of the victim system. When an attacker sends TCP messages with PSH and ACK flags set to 1 to the Target host, these messages will cause the Target system to clear all TCP buffers (whether the buffers are full or not) and respond with an acknowledgement message. If this process is performed by a large number of controlled hosts, the system will not be able to process normal data, resulting in denial of service.临江国，河流纵横的荆楚大地，一条不知名的河边。2. "Keeping pace with the times" is the soul of the important thought of "Three Represents". The Party committee and members of the group company can analyze and solve new problems with new thinking and new ways, so as to keep the state of "keeping pace with the times" in all work.童天爱醉酒后见义勇为帮一个被渣男抛弃的女子出头，却不想差点和秦晋阳发生关系。第二天童天爱偷溜，没有想到却被秦晋阳发了裸背照“全城通缉”。两人因此签订了“契约”，童天爱成了秦晋阳的“月抛型”情人。Q: Will you follow certain steps in the competition?在博翰大学的校园里聚集着这样一众好友，他们是热爱打听各路消息的花心小子华又希、傲娇又仗义的酒店大亨独女吴安珀、外号“康公子”的帅气女生康薇薇、毕业三年仍是学校偶像的应冬，艺术系校花万嘉、校园甜心梅宝，靠谱老实的经济男韩定一。在距离大学毕业还剩短短几个月的时间里，他们一起享受着最后的校园时光，也一起遭遇和见证着一系列的爱情故事……由余文乐饰演的铁板烧厨师华三毛为了寻找消失的初恋女友来到他们身边，用执着和痴情打动了每一个人；谭维维饰演的偶像歌手艾迪带着多年的心结来为初恋圆梦，重温校园恋情的简单美好；老谋深算的欺诈高手高琦（陈法蓉饰）用爱情牟利却亲情失算；事业有成的娱乐记者叶飞飞（周笔畅饰）本欲揭穿惊天八卦却最让自己陷入两难；脾气古怪的餐饮界巨子欧辉（金汎饰）上演了一段刻骨铭心的爱情；超人气影视红星洛依（杨幂饰）与旧爱重逢却未能将爱情进行到底……目睹着一段又一段或感动或遗憾的情感故事，几个好朋友之间也对自己的爱情和友情做出了选择……