LXer: How to bind a rootless container to a privileged port on Linux
by LXer from LinuxQuestions.org on (#6FTCG)
Published at LXer:
One of the main innovations introduced by Podman was the ability to run rootless containers. Security wise, this was a big improvement, since a potentially compromised container running as root represents a security threat for the host system. In order to obtain a similar behavior, recent versions of Docker support running the docker daemon in the user context. Running unprivileged containers, albeit more secure, has also its drawbacks, as the inability to bind to privileged host ports.
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One of the main innovations introduced by Podman was the ability to run rootless containers. Security wise, this was a big improvement, since a potentially compromised container running as root represents a security threat for the host system. In order to obtain a similar behavior, recent versions of Docker support running the docker daemon in the user context. Running unprivileged containers, albeit more secure, has also its drawbacks, as the inability to bind to privileged host ports.
Read More...