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Let us know what you set up lately, what kind of problems you currently think about or are running into, what new device you added to your homelab or what interesting service or article you found.
To expose your stuff to the outside internet, you need to actively set port forward in your internet router, you won’t do that by accident.
What a relief, thanks for the clarity! I have vague memories of doing that as a teenager to play various games with friends, which sounds like something risky a teenager would do 😅