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第 10 章 Communicating among containers

Learn about establishing communication between containers, applications, and host systems leveraging port mapping, DNS resolution, or orchestrating communication within pods.

10.1. The network modes and layers
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There are several different network modes in Podman:

  • bridge - creates another network on the default bridge network
  • container:<id> - uses the same network as the container with <id> id
  • host - uses the host network stack
  • network-id - uses a user-defined network created by the podman network create command
  • private - creates a new network for the container
  • slirp4nets - creates a user network stack with slirp4netns, the default option for rootless containers
  • pasta - high performance replacement for slirp4netns. You can use pasta beginning with Podman v4.4.1.
  • none - create a network namespace for the container but do not configure network interfaces for it. The container has no network connectivity.
  • ns:<path> - path to a network namespace to join
注意

The host mode gives the container full access to local system services such as D-bus, a system for interprocess communication (IPC), and is therefore considered insecure.

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