What should I do if the docker container cannot access the external network?

Reasons and solutions for docker containers unable to access external networks: Configure nat port mapping to map container ports to host ports. Choose the correct network driver (such as host or overlay) based on host compatibility. Allow container ports through the host's firewall. Configure the correct dns server for the container. Choose the correct container networking mode. Troubleshoot host network issues such as firewall or connectivity issues. This topic provides you with relevant articles, downloads, and course content for you to download and experience for free.