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Firewalls: what SHOULD I block?
(lemmy.wtf)
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this post was submitted on 27 Sep 2024
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This seems to be some of the most worthwhile advice. I do use a pretty reasonable DNS client (NextDNS) and it allows me to configure some useful filters and such, and when I'm browsing the internet I also use uBlock Origin and manually allow any third party content one by one.
I did configure UFW to block incoming and allow outgoing, and that should be more than enough for me. I think I'm a pretty "standard" user in the sense that I would make a fairly average target for a would-be attacker. It's not like I own a web server with goodies worth exploiting.
A part of me really wants to learn more because at some point I'll have my own router that I'll want to ensure is configured properly because I'll likely end up making my own server for media stuff.
Thank you for your reply!
I recommend reading "TCP/IP Illustrated: Volume 1, Second Edition" if you want to learn more about networking. Make sure it's the second edition, because the first edition is very old. The second edition is also over a decade old now, but it's still almost completely correct, as the basics haven't changed much. And don't mistake the book to be overly simplified because of the title; it's a very technical book that references the actual RFCs wherever appropriate.