Swox

A lightweight proxy server written in Swift.
The only dependency is Apple's Network framework, for handling TCP and UDP connections.

Examples

Swox as command line tool

Use arg "-p" for a different port number, "-f" to enable TCP Fast Open

#start with default config on port 1080
Swox

#start on port 1088 with TCP fast open enabled
Swox -f -p 1088

SwoxLib as a Swift library

do {
    let proxyServer =
    try SwoxProxyServer(
        port: 1080,
        tcpFastOpen: true,
        logger: ConsolePrinterLogger(level: .info)
    )
    proxyServer.start()
    // ...
    proxyServer.stop()
} catch(let error) {
    // If failed, most likely it's because the port you're trying to use is occupied
}

Roadmap

✅ Implemented 👷 WIP 🕒 Likely to add in future 🤔 Less likely to add in future 🤷‍♂️ Not going to happen

• ✅ SOCKS5 CONNECT
• ✅ SOCKS5 UDP ASSOCIATION
• ✅ Customisable logging
• ✅ HTTP Proxy
• 👷 Packet sniffing
• 🕒 Username/password authentication
• 🕒 Custom DNS
• 🕒 Unit Tests
• 🤔 Linux support(need to replace Network)
• 🤷‍♂️ Other Socks authentication methods
• 🤷‍♂️ UDP Fragmentation in SOCKS5 UDP ASSOCIATION
• 🤷‍♂️ SOCKS5 BIND