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this post was submitted on 15 Sep 2025
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I think you misunderstood; if I run a publicly accessible website (like a Lemmy instance), those ports need to be opened.
A cheap VPS hosting
https://anubis.techaro.lol/docs/admin/installation/
as a reverse proxy may work. The VPS will do the work of verifying requests and stopping bad requests from hitting the target resource. Though certainly if the DDoS is a matter of a massive botnet raiding your domain it may not work as well as something like cloudflare
Yes, I've addressed this in my original message.
Get yourself a 3$/month VPS, they almost all come with DDoS protection, and reverse proxy from there. Either restrict the ports on your home network to only that IP, or better yet tunnel all the traffic via Wireguard.
Obviously if you're hosting a large server this is another matter, but nevertheless almost all serious hosting services offer in house DDoS protection.
But the comment I was originally replying to specifically refered to homelabs.
What would be a good resource to, like, relearn modern networking stuff cuz some of these solutions are totally new ideas to me? I was CISCO and A+ certified way back in 2003; but the only thing I ever really used from those classes and training since then was making cables and setting up smaller, simple networks for home or small businesses. I get the sense a fuckton has changed and this exchange made me want to brush up.
A fuckton is an understatement.
I found just doing it the best for me. Start with proxmox hypervisor on some old pc. Start running a bunch of services. Some documentation mentions "heres how you set it up behind a reverse proxy". "Hmm...whats that" is pretty much how i learned it.
Then compare with people in the homelab communities who are doing differently and find out why.