The local access port is OK, but the port cannot be accessed by using ip through the browser. Why?

I have a server that tests the wget http://ip: port on the linux service to access the home page normally.
but I can"t access the home page when I use a browser to access the http://ip: port.
Why is this?

I looked at the list of open ports and found my access port. Can you give me some ideas?

Mar.14,2021

first turn off the firewall and see if you can access it. If you can, it's mostly the port. If not, it's the server.

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