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Show HN: SafeHaven – A Minimal VPN Implementation in Go

Published on: 2025-07-08 12:00:27

safehaven Architecture How does it work Checkout my blog post for implementation details. Demo Click here to watch demo How to use? Only available on Linux Usage: -d string private network destination (default "10.108.0.2") -g global routes all traffic to tunnel server -l string local address -s string remote server address (default "138.197.32.138") -srv server mode -tc string client tun device ip (default "192.168.1.100/24") -tname string tunname (default "tun0") -ts string server tun device ip (default "192.168.1.102/24") Build the project. Run using appropriate flags on client. Run on server in server mode and also run sysctl -w net.ipv4.ip_forward=1 on server to allow IP forwarding. and also run on server to allow IP forwarding. ping destination address from client after setup & you should receive echo replies back. ... Read full article.