Ariyun, the nginx container created by docker cannot be accessed

  docker, question

Ali cloud host uses docker to create nginx container. The port has been mapped and the security group has been set. However, the external network cannot be accessed and solved.

The port has also been listening:

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Security group settings:

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Local windows telnet reported an error:

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I can’t see if 8080:80 points to nginx in docker, and make sure this container is alive.