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Should I get a firewall appliance? (lemmy.blahaj.zone)

submitted 5 months ago by [email protected] to c/[email protected]

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I have a host name whose dns points to my home IP. I use this for game servers for my buddies. Should I be worried about my home IP being easily accessible like this, and should I get a physical firewall appliance to protect myself?

Servers are running Windows Server 2019 and Mac OSX.

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[–] Ptsf 3 points 5 months ago

Unless you're just opening up all the ports on your router, it should be blocking all incoming connections by default. I'd recommend doing 1:1 port mapping for the specific internal ips of your services if your router provides that capability, but at minimum just locking it down to only opening the ports required for your services should suffice.