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  • MangoPenguin@lemmy.blahaj.zonetoLinux@lemmy.mlFirewalls: what SHOULD I block?
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    23 hours ago

    By default it should be configured to allow all outgoing, and block all incoming. That’s perfectly fine for a desktop/laptop and you don’t need to mess with it.

    You can’t really do that much outgoing filtering with a firewall that will be useful, because basically everything operates on port 80/443, and often connects to the same CDNs or datacenter IPs for multiple services.

    Instead DNS blocking is a much more effective way to handle it, plus uBlock Origin in your browser.