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Context: Docker bypasses all UFW firewall rules (lemmy.world)
submitted 1 year ago* by to c/programmer_humor@programming.dev
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Docker docs:

Docker routes container traffic in the nat table, which means that packets are diverted before it reaches the INPUT and OUTPUT chains that ufw uses. Packets are routed before the firewall rules can be applied, effectively ignoring your firewall configuration.

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[–] 3 points 1 year ago

You’re right. As an old-timey linux user I find it more confusing than running the services directly, too. It’s another abstraction layer that you need to manage and which has its own pitfalls.

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