: If your home IP address changes, use a DDNS service (like DuckDNS ) so your clients can always find the server.
: On Linux (using UFW), run: sudo ufw allow 51820/udp .
: Access your router's settings and forward External Port 51820 (UDP) to the Internal IP of your server. 51820 rar
💡 : 51820 is only for UDP traffic. If you configure a TCP rule by mistake, the VPN will not connect.
: By default, WireGuard does not respond to pings or handshakes unless the sender has a valid public key, making it invisible to port scanners. : If your home IP address changes, use
To successfully route traffic to your VPN server, follow these requirements:
: If your ISP blocks port 51820, you can change it to another common port (like 443) in your [Interface] configuration. 💡 : 51820 is only for UDP traffic
: Ensure your server has a reserved local IP so the port forward doesn't break after a reboot. ### Service Management