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What am I doing with iptables?
(lemmy.pe1uca.dev)
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this post was submitted on 24 Jul 2024
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Do not disable that docker feature unless you know what you're doing!
99% of users want it on. If you have an active firewall you want it to be restrictive, and you want Docker to open ports only as needed, and to keep track of container networks for you and to take down the permissions when you stop a container etc.
What clueless people do is disable this feature and then they make permanent rules that keep the ports open all the time, and/or attempt to keep track of rules by hand. The former is insecure, the latter is a hassle.