this post was submitted on 09 May 2025
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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[–] iAmTheTot@sh.itjust.works 8 points 9 hours ago* (last edited 9 hours ago)

Wonder if any of this is the reason why.

Anubis also relies on modern web browser features:

ES6 modules to load the client-side code and the proof-of-work challenge code.
Web Workers to run the proof-of-work challenge in a separate thread to avoid blocking the UI thread.
Fetch API to communicate with the Anubis server.
Web Cryptography API to generate the proof-of-work challenge.
This ensures that browsers are decently modern in order to combat most known scrapers. It's not perfect, but it's a good start.

This will also lock out users who have JavaScript disabled, prevent your server from being indexed in search engines, require users to have HTTP cookies enabled, and require users to spend time solving the proof-of-work challenge.

This does mean that users using text-only browsers or older machines where they are unable to update their browser will be locked out of services protected by Anubis. This is a tradeoff that I am not happy about, but it is the world we live in now.