Frequently Asked Questions Why can't you just put details about the proof of work challenge into the challenge page so I don't need to run JavaScript? A common question is something along the lines …

Lightweight Anubis is so lightweight you'll forget it's there until you look at your hosting bill. On average it uses less than 128 MB of ram.

If you use an editor with Development containers support, load this repo's devcontainer configuration. Skip to Running Anubis locally if you are using the devcontainer.

Anubis is meant to sit between your reverse proxy (such as Nginx or Caddy) and your target service. One instance of Anubis must be used per service you are protecting.

How Anubis works Anubis uses a proof-of-work challenge to ensure that clients are using a modern browser and are able to calculate SHA-256 checksums. Anubis has a customizable difficulty for this …

Jun 27, 2025 · This is a pretty challenging thing to do without rethinking how Anubis works from a fundamentally low level, and with v1.20.0, Anubis finally has support for running without client-side …

Anubis supports multiple challenge methods: Challenge Methods Anubis supports multiple challenge methods: Meta Refresh Preact Proof of Work Read the documentation to know which method is best …

User guides User guides Information for users on sites that use Anubis. 📄️ Frequently Asked Questions Why can't you just put details about the proof of work challenge into the challenge page so I don't …

These instructions may work, but for right now they are informative for downstream packagers more than they are ready-made instructions for administrators wanting to run Anubis on their servers. Pre …

Custom images and CSS Anubis uses an internal filesystem that contains CSS, JavaScript, and images. The BotStopper variant of Anubis lets you specify an overlay folder with the environment variable …