Proxy Checker

This repository provides an open-source server-side API for detecting if a client is using a proxy. The detection method compares the Round-Trip Time (RTT) of both the TLS and TCP layers. This differential analysis helps identify the presence of a proxy.

How

Demo

click demo

or

curl https://api.proxychecker.yccd.cc:8443

Usage

Clone the repository:

git clone https://github.com/YCCDSZXH/proxy-checker-rs.git
cd proxy-checker-rs

Build

cargo b

Configure certificate

openssl req -new -newkey rsa:2048 -days 365 -nodes -x509 -keyout server.key -out server.crt

Run the server:

cargo r

Make a request to the detection endpoint:

curl https://localhost:8443 -k

If you use self generate certificate, you need -k to skip certificate verify

The API will return a JSON response indicating whether a proxy was detected.

Contributing

Contributions are welcome! Feel free to submit issues, fork the repository, and create pull requests.

License

This project is licensed under the MIT License. See the LICENSE file for more details.