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Therefore, according to the above figure, we can imagine the flow direction of messages in some common scenes:他们这时才想起：眼前这人不仅是张家的小少爷，更是从西南转战西北，灭了几个国家的玄武王。The module mode uses an anonymous function that returns an object. Inside this anonymous function, private variables and functions are first defined for use by internal functions, and then an object literal quantity is returned as the value of the function. The returned object literal quantity only contains properties and methods that can be exposed. In this way, external use of the method can be provided; Since the public method in the return object is defined inside the anonymous function, it can access private variables and functions inside.张无忌救下赵敏，不为其他，只为报仇，他要亲手报表妹殷离之仇。饥饿的青春 第五季影片开始于一个平静的夜晚与一次普通的采访，安吉拉·韦多是一名电视台的记者，她这回的采访任务是制作一期关注洛杉矶某消防局夜间行动的节目。因为节目任务并不繁重，所以她就仅与一名摄影师只身前往。自然他们在消防局中受到了消防队的热烈欢迎，并且和消防队员们度过了相当愉快的一段时光，但这样洋溢着美好气氛的采访活动被一个普通的911电话打断了。不过对于要做节目的安吉拉来说却异常兴奋，毕竟能够随同消防员进行夜间出巡是绝佳的节目素材，于是两人便坐上了消防车与几位消防员一同出发了。The SYN-Flood attack is currently the most common DDoS attack on the network, It is also the most classic denial of service attack. It takes advantage of a defect in the implementation of TCP protocol. By sending a large number of attack messages with forged source addresses to the ports where the network service is located, it may cause the half-open connection queue in the target server to be full, thus preventing other legitimate users from accessing. This kind of attack was discovered as early as 1996, but it still shows great vitality. Many operating systems, even firewalls and routers, cannot effectively defend against this kind of attack, and it is very difficult to trace it because it can easily forge the source address. Its packet characteristics are usually that the source sends a large number of SYN packets and lacks the last handshake ACK reply of the three handshakes.