OProxy

High-performance, transparent proxy that supports both TCP and UDP protocols.

A high-performance, transparent proxy that supports both TCP and UDP protocols.

NOTE: This proxy has been designed with local API proxy in mind. Specifically, I used it to forward Ollama API requests to the remote Ollama server for applications that try to connect to the local Ollama server on localhost.

Features

Transparent TCP proxying
HTTP/HTTPS proxying without decrypting the traffic
Optional UDP support
Detailed logging capabilities
Configurable through environment variables
Support for both file and stdout logging
Data content logging (optional)

Requirements

Python 3.7+
python-dotenv
socket
threading

Installation

Clone the repository:

git clone https://github.com/tcsenpai/oproxy.git

cd oproxy

Install dependencies:

pip install -r requirements.txt

Copy the example environment file:

cp .env.example .env

Edit the .env file with your configuration:

PROXY_PORT=11434
TARGET_HOST=127.0.0.1
TARGET_PORT=80

Usage

Basic TCP proxy:

python src/main.py

Enable logging to file:

python src/main.py --log-file=proxy.log

Enable data logging with debug level:

python src/main.py --log-file proxy.log --log-data --log-level DEBUG

Enable UDP support:

python src/main.py --enable-udp

Command Line Arguments

--log-file: Path to the log file
--log-data: Enable logging of data content
--log-level: Set logging level (DEBUG, INFO, WARNING, ERROR, CRITICAL)
--enable-udp: Enable UDP proxy alongside TCP

Notes

TCP proxy runs on the port specified in .env
UDP proxy (if enabled) runs on PROXY_PORT + 1
Data logging should be used carefully as it may contain sensitive information
UDP support is experimental and runs as a daemon thread

License

MIT License