Starting from October 3, 2022 (Beijing Time), more than 100 users reported that at least one of their TLS-based censorship circumvention servers had been blocked. The TLS-based circumvention protocols that are reportedly blocked include trojan, Xray, V2Ray TLS+Websocket, VLESS, and gRPC. We have not received any report of the blocking of naiveproxy though. Below are a summary of this blocking event and our conjuncture. The blocking is done by blocking the specific port that the circumvention ...