Hafnium

Hafnium is reverse proxy, it use to expose local port over nat (ex. CGNAT)

How it work

Features

Core Features To-Do

Key Management

• Implement hf genkey command
  • Generate private/public key pairs
  • Store keys securely
  • Export public key in shareable format

Server-side Features

• Implement server core functionality

  • Create TCP/UDP server listener
  • Handle client connections (including forward of data)
  • Implement public key authentication

• Implement port management commands

  • hf allow <port> [tcp/udp]
  • hf disallow <port> [tcp/udp]
  • Default allow-all ports mechanism

• Implement connection management

  • hf list peers
  • hf list ports
  • hf disconnect [peer_public_key]

• Configuration system

  • hf config get <key>
  • hf config set <key> <value>
  • Implement persistent configuration storage

Client-side Features

• Implement client core functionality

  • hf connect <ip_address>:<port> <public_key>
  • Handle connection authentication
  • Maintain persistent connection

• Port forwarding features

  • hf open <port> [tcp/udp]
  • hf close <port> [tcp/udp]
  • Port forwarding logic implementation

• Client utilities

  • hf list peers
  • hf list ports
  • hf disconnect

Technical Infrastructure

• Set up project structure
• Implement logging system
• Error handling
• Connection security
• Network protocol design
• Documentation
  • Installation guide
  • Usage documentation
  • API documentation

License

the code license is AGPL-3.0 read more.