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At present, what methods do we take to solve the attack? The first method shortens the waiting time and deletes the illegal request data packets waiting in the waiting queue as soon as possible. The second method is that the first handshake message is not put into the waiting queue. We return a 32-bit unsigned integer to the client as the Seq of the second handshake. The integer is obtained by adding a serial number of the server to the parameters requested by the user (including the requested address, port, etc.). If it is a normal user, it adds 1 as ACK after receiving this integer and returns it to the server. After receiving the data, the server subtracts 1 from this ACK and then performs inverse operation to obtain various parameters. Finally, the data sent out are compared. If they are completely consistent, it means that it is an effective response and stored in the corresponding data structure, otherwise it is not. Through this method, illegal requests cannot occupy system resources.讲述吴邪、王胖子、小哥、解雨臣等人配合国家有关部门，追查裘德考率领的古文物盗贩团伙，最终在长白山云顶天宫，查明裘德考多年觊觎国宝的阴谋，并成功阻止不法分子的盗墓行动的故事。In the 1980s, he personally caught an overseas spy. When he learned that another spy was still at large, he led a group of border guards to follow the direction of the spy's flight up the mountain. When the car could not drive, they walked. When the road was no longer available, they climbed the mountain. At last they came to a forbidden area frequented by wolves.尹旭看着飞影的密保，沉声。-Mast light, 2 nautical miles;The solder resist film uses liquid photosensitive solder resist, and the color is green. It is recommended to use yellow-green for single-phase watches and dark green for three-phase watches.吕雉劝道：放心好，到时候一定会没事的，只不过现在韩元帅还没有发话，所以只能如此了。