ESP32 microcontroller enables TCP proxy over MQTT to bypass internet restrictions

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A proof-of-concept project uses an inexpensive ESP32 microcontroller as a hardware proxy. It tunnels TCP traffic, such as web browser requests, through an MQTT broker. This setup allows a user in a censored location to access restricted websites by relaying data through an ESP32 in an uncensored region. All traffic is forwarded as raw bytes without decryption. The system has limitations, including handling only a few simultaneous connections due to the ESP32's constrained resources.

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