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TachyonVpn

A Decentralized VPN that is secured by Tachyon Protocol and served by our global node network.

Build

Usage

Direct Mode

  • For servers which can be accessed from Internet directly (with public IP and public port)
  • run server server
  • run client client [server's IP]

Relay Mode

  • For servers which can not be accessed from Internet directly and need another 'Listen Mode' server to relay its traffic
  • run relay server server
  • run exit server server -UseRelay -RelayServerIp [relay server's IP]
  • run client client -IsRelay -ServerIp [relay server's IP] -ExitServerClientId [exit server's ClientId]

TKey Direct Mode

  • run server server -SelfTKey [server's TKey]
  • run client client -ServerIp [server's IP] -ServerTKey [server's TKey]

TKey Relay Mode

  • run relay server server -SelfTKey [relay server's TKey]
  • run exit server server -SelfTKey [exit server's TKey] -UseRelay -RelayServerIp [relay server's IP] -RelayServerTKey [relay server's TKey]
  • run client client -IsRelay -ServerIp [relay server's IP] -ServerTKey [relay server's TKey] -ExitServerClientId [exit server's ClientId] -ExitServerToken [exit server's TKey]

Releases

demo-v6 Support disconnection of client and GC client in server

  • Support disconnection of client
  • GC client in server
  • DHT Demo V1

demo-v5 Router server is launched to improve stability of VPN connection.

  • Router Server
    • VPN server will register itself to Router server
    • VPN client can fetch available IP list from Router server
  • VPN Optimization
    • Reduce memory allocation of VPN connection
    • Improve stability of VPN connection
    • Test multiple clients and VPE servers

demo-v4 Reconnect and Verify Certificate

  • Improve security: verify hash of certificate
  • Support reconnection between client and server
  • Support reconnection between relay server and vpe server

demo-v3 Support server to verify TKey

Server can verify TKey (e.g. 123456 or vRm4hdY!9cwavRg) in this version. When client tries to connect server with a TKey, server will verify whether TKey is matched or not. Server can decide which client has permission to connect with it.

demo-v3-docker Docker Image Runner of Tachyon Server

To reduce steps of running server on Windows or macOS by Docker, we developed Docker Image Runner for Tachyon Server.

demo-v2-docker Server runs on Docker for Windows and MacOS

We'll implement native version server for Windows and MacOS in the future. At the experimental stage, we'll build a Docker image to run Tachyon Server on Windows and MacOS. The image will be updated with Linux version.

CheckHelper-v2

demo-v2 Support P2P Relay Mode

demo-v1 First Demo

Tachyon Protocol Plan

2020-3-28

  • Kademlia Node ID Generation

2020-3-21

  • DHT IPv6 Tester
  • Encrypt Method EXP0

2020-3-9

  • Improve Test Coverage
  • DHT IPv6 Support

2020-3-2

  • Add server list automatically
  • Support 20 Global locations

2020-2-17

  • DHT FIND_NODE fix nil reference BUG
  • Refactor DHT and Encapsulate the message protocol
  • Complement all DHT RPC related tests

2020-2-10

  • Optimize the connection experience
  • Optimize the process of adding Servers

2020-2-5

  • DHT RpcNode API refactor in progress

2020-1-21

  • DHT RPC API: Ping
  • DHT k-buckets GC

2020.1.14

  • Refactor k results of DHT RPC API: FIND_NODE/FIND_VALUE

2020-1-7

  • Improve reliability of DHT RPC's network performance

2019-12-31

  • Improve test coverage of DHT RPC
  • Optimize reliability of routing tables

2019-12-24

  • DHT store, query, lookup etc.
  • DHT V2 implementation in memory

2019-12-20

  • DHT store, query, lookup etc.
  • DHT V2 implementation in memory

2019-12-9

  • Support disconnection of client
  • GC client in server
  • Support relay mode in Router server
  • DHT Demo V1

2019-12-2

  • Deploy router server
  • automatic RPC generator
  • Improve stability of connection
  • Optimize performance of memory and bandwidth
  • Testing of multiple clients and VPE servers

Details of demo version

  • Router will be a single server for test in this version
    • forward data between clients and servers
    • client and server will not be connected to each other directly in this version structure
  • Protocol Layers
    • VPN Protocol Layer
      • Packet Type
        • Handshake
        • IpPacket/Traffic
    • Forward Protocol Layer
      • Claim: client or server registers on the Router
      • Forward
    • Encrypt Layer
      • TLS
      • Man-in-the-middle attack: client should not use server's IP, but use server's certificate to identify server
    • Layers Nest
      • when: client connects to server directly:
        • IP Packet > TCP
          • TLS > VPN Protocol > Data IP Packet
      • when: client and server connect to the Router, and the Router will forward traffic
        • IP Packet > TCP
          • TLS > Forward Protocol
            • TLS > VPN Protocol > Data IP Packet