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Why is the network port of Nantong University open and the local connection is connected, but the webpage can't be opened, even in online certification?
1. I used to surf the Internet, but now I don't? If you don't directly find the current teaching center to deal with it

2. Is there something wrong with your computer settings? Check whether the IPV4 address is automatically obtained, etc. The best way is to take your computer to a port where you can surf the Internet and see if you can surf the Internet.

3. Excluding the above reasons, it can only be a school network problem. Recently, the school network seems to be very unstable, and IP addresses are often unavailable. Let's go to the current teaching center to respond.