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The moment the finger is released from the screen.Another main technology to prevent SYN attacks is to adjust TCP/IP protocol stack and modify TCP protocol implementation. The main methods include SynAttackProtect protection mechanism, SYN cookies technology, increasing the maximum half connection and shortening the timeout time. The adjustment of TCP/IP protocol stack may cause some functions to be limited, and administrators should do this work on the premise of full understanding and testing.葫芦去投军了，你们也该出去闯荡。最中间华贵的马车上坐着一个少年。4. This article does not relieve the giving-way ship of its obligation to give way.Return value;Publish-subscribe mode is also called observer mode. It defines a one-to-many relationship between objects, allowing multiple observer objects to monitor a topic object at the same time. When an object changes, all objects that depend on it will be notified.