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What are the actual security implications of port forwarding? (alien.top)

submitted 1 year ago by Alt_Lightning@alien.top to c/main@selfhosted.forum

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Like, I hear all the time that you shouldn't open any ports on your networks fire wall for security reasons this and security reasons that. But what are the actual security implications/risks of forwarding a port for something like Jellyfin or a Minecraft server or something like that? Explain like im 16 (or something)

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[–] billiarddaddy@alien.top 2 points 1 year ago

That depends on the port/service you're forwarding.

It also depends on your ISP if they filter some standard ports.

Non-standard ports can obfuscate your service, prevents it from being detected by crawlers and bots.

Start small and don't ignore security standards.

Patch your stuff. Use common sense.