Here's a summary that's a bit easier to digest: https://blog.torproject.org/blog/learning-more-about-gfws-active-probing-system https://blog.torproject.org/blog

Here's a summary that's a bit easier to digest: https://blog.torproject.org/blog/learning-more-about-gfws-active-probing-system https://blog.torproject.org/blog/learning-more-about-gfws-ac...