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02 Feb 2021
Fail2ban Behind Reverse Proxy
Assumptions, Prerequisites, Prior Set Up This guide is for when the reverse proxy & FoundryVTT server are both on separate machines This guide builds upon the prior one and details how to setup fail2ban to block bad bots, automated login attempts, and repeated connection attempts that are likely malicious, when your server is behind a reverse proxy. If you haven't taken a look already my prior post detailed how to go about setting up fail2ban rules. https://blog.iterlyze.com/2024/11/fail2ban-foundryvtt.html This guide assumes you are using a Debian 12 server (or Ubuntu) and have a basic idea of how to use a Linux shell. Some other assumptions that won't affect setting up fail2ban include that you are using Nginx as the reverse proxy, nftables as your system's firewall frontend, and that you are forwarding traffic to a FoundryVTT server. Make sure the reverse proxy and the server it sends traffic to is working before trying to set up fail2ban. If you are setting up Fou...
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