None of the information above is new to those familiar with the GFW. It is only after I reached this point in my tests that I did some deeper reading and learne

None of the information above is new to those familiar with the GFW. It is only after I reached this point in my tests that I did some deeper reading and learned that the GFW uses machine learning algorithms to learn, discover, and block VPNs and proxies. Yow, I did not know that, but it explains a lot.