Port forwarding is a router rule that forwards incoming traffic on a port to a specific local device. It is used when you want to expose an internal service externally, such as a game server, IP camera, or NAS.
Routers normally block incoming connections for security. With port forwarding you tell the router: when a request arrives on port X, send it to device Y. For example, you can forward port 25565 to a PC running a Minecraft server.
Why it is used
The most common use cases are online gaming, access to home servers, FTP, SSH, and remote video surveillance. It is also useful for applications that require stable direct connections instead of external relays.
How to configure it on 192.168.1.1
- Assign the device a fixed local IP (e.g. 192.168.1.50).
- Access the router with 192.168.1.1 or 192.168.0.1.
- Open the Port Forwarding, NAT, or Virtual Server section.
- Enter external port, internal port, protocol (TCP/UDP), and device IP.
- Save and restart if required.
After saving, verify that the port is open with an online test or with the target application. Remember local firewall and antivirus may still block the service.
Common ports
| Service | Port |
|---|---|
| HTTP | 80 |
| HTTPS | 443 |
| FTP | 21 |
| SSH | 22 |
| Minecraft | 25565 |
| PS4/PS5 | 3478-3480 |
Open only required ports and use strong passwords. Fewer exposed ports mean a safer network.
Guides to finding your IP address Modem and router configuration