http://k3oxb4lrs7l3vt2lhy3w5ilrrqzeltdxjyne3t7sctmnyu3ypwpuszid.onion/sni-bug.html
Conclusions The concepts of HTTP bug hosts, SNI bug hosts, and SNI spoofing have all become confused. There is very little clear and accurate documentation. What exists is mainly in the form of YouTube videos of variable quality.