@xijinping are you still here? Do you recall how detection of tls-in-tls began in China? Were there any disruptive effects that took down entire .cn tld segments because they accidentally blocked https/443? What was the initial symptom in their crucade against mimicry protocols? Something has occured recently and people unsure what that was and are just guessing. I personally feel like it was an attempt at detecting tls-in-tls with collateral damage in the process.