Alibaba Cloud cannot access the external network using IP, but the other server is normal
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Using Alibaba Cloud requires setting up relevant port whitelists or other permissions.
See if you need to open port 80. When I use Tencent Cloud Server, I need to manually open port 80 in the permission group of the management background
Check the firewall settings in the Alibaba Cloud backend. Alibaba Cloud has multiple firewall settings
Correct answer upstairs, you must open the port in Alibaba Cloud's security group policy
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Using Alibaba Cloud requires setting up relevant port whitelists or other permissions.
See if you need to open port 80. When I use Tencent Cloud Server, I need to manually open port 80 in the permission group of the management background
Check the firewall settings in the Alibaba Cloud backend.
Alibaba Cloud has multiple firewall settings
Correct answer upstairs, you must open the port in Alibaba Cloud's security group policy