Reverse engineering Twitter's new WASM-based "X-XP-Forwarded-For" antibot header

17 points

dsekz

a year ago

Twitter/X recently added a new header called X-XP-Forwarded-For, generated and encrypted by their own WASM-based fingerprinting system. This repo breaks down the entire flow: https://github.com/dsekz/twitter-x-xp-forwarded-for-header