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At the bottom of the client, in addition to "Learning" and "Video Learning", there are three buttons: "Message", "Attention" and "My". Among them, the functions under the "Message" and "Attention" buttons are compatible with the nailing of office software. Users can directly chat with nailing friends by clicking the "Message" button. The "My" button is on the far right. It includes sub-channels such as learning points, answering activities, special exams, I want to spit out, video conferences, suggestion feedback, etc. Click on the learning points, you can see that 0.1 points will be awarded for the first login every day, 0.1 points will be awarded for every reading an article or watching a video, 1 point will be awarded for reading an article or watching a video for half an hour every day, and so on. According to the design, users can enter integral mall to exchange gifts with their learning points in the future.Here, the filter gateway mainly indicates the firewall, and of course the router can also become the filter gateway. Firewall is deployed between different networks to prevent foreign illegal attacks and the leakage of confidential information. It is located between the client and the server. Using it to protect SYN attacks can play a very good role. Filter gateway protection mainly includes timeout setting, SYN gateway and SYN agent.Enterprises must strive to predict the possible security threats to applications and network services and mitigate the consequences of these attacks by formulating security contingency plans.据史料记载，秦始皇一统六国之后，整个天下的人口大概在两千万人。在枪炮面前，匹夫一怒是没任何用的，精心算计更是没有用的，除了更多的枪炮外，一切都是徒劳，他看清了这个道理，所以想方设法要充足自己的枪炮，但为何一切来的这么快。In the exchange, apart from the necessary schedule discussion, Sun Yimin's teacher and the person in charge were full of expectation and encouragement when talking about contemporary students, but they were more exclamatory about college students' employment, postgraduate entrance examination and entrepreneurship.照理说，刚刚崭露锋芒的加勒比海盗应该会为华商船队造成一些麻烦，可这些黑胡子此时只在墨西哥东岸活动，西岸向来是冷清的地方，倒不是因为这里有多惨，只因巴拿马运河还是设想中的上帝工程，从墨西哥东岸到西岸仅能走阿根廷南部的麦哲伦海峡，或者是如同地狱一般的极南之地合恩角，这件事简直就是一项堪比环游世界的可怕航行，海盗们自然不会为了传说中的东方舰队拼这个老命