Echogy

A lightweight and efficient SSH reverse proxy tool implemented in Go, featuring a beautiful Terminal User Interface (TUI).

Features

Terminal User Interface (TUI)

Modern and responsive terminal interface
SSH session management
Real-time connection status monitoring
User-friendly interface for managing SSH connections

Core Features

SSH reverse proxy functionality
Multiple concurrent SSH connections support
TCP port forwarding
Secure session management
Built-in logging system

Quick Start

Clone the repository:

git clone https://github.com/youkale/echogy.git
cd echogy

Install dependencies:

go mod download

Configure your settings in config.json:

{
  "addr": ":443",
  "ssh_addr": ":22",
  "domain": "your-domain.com",
  "idle_timeout": 300,
  "key": "YOUR_SSH_KEY"
}

Build and run:

make build
./echogy

Project Structure

.
├── cmd/           # Command line tools
├── logger/        # Logging framework
├── tui/          # Terminal User Interface components
├── pprof/        # Performance profiling
├── echogy.go     # Core SSH implementation
├── conn.go       # Connection management
├── facade.go     # Facade pattern implementation
├── forward.go    # Port forwarding logic
└── util.go       # Utility functions

Key Components

SSH Server: Handles SSH connections and session management
Forward Proxy: Manages TCP port forwarding
TUI: Provides an interactive terminal interface
Logger: Structured logging with multiple output formats

Configuration

SSH Key Setup

ssh-keygen -b 2048 -f echogy_rsa
# Copy the private key content to config.json

Domain Configuration

# DNS A records
A your-domain.com YOUR_SERVER_IP
A *.your-domain.com YOUR_SERVER_IP

Contributing

Fork the repository
Create your feature branch (git checkout -b feature/amazing-feature)
Commit your changes (git commit -m 'Add some amazing feature')
Push to the branch (git push origin feature/amazing-feature)
Open a Pull Request

License

This project is licensed under the BSD License - see the LICENSE file for details.

License

echogy-io/echogy

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