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If you host a server (like Minecraft or a Web Server) at home, friends outside your Wi-Fi cannot connect unless you “open ports”. This is called Port Forwarding.

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How it Works

Imagine your Router is a receptionist.
  1. A request comes from the internet asking for “Minecraft” (Port 25565).
  2. The Router blocks it because it doesn’t know which computer inside the house to send it to.
  3. Port Forwarding tells the Router: “Send anything on Port 25565 to my PC”.

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Step-by-Step Guide

Every router is different. These are general steps.
  1. Find your Local IP
    • Open CMD (Command Prompt) on Windows.
    • Type ipconfig.
    • Note the IPv4 Address (e.g., 192.168.1.15).
  2. Access Router Settings
    • Look for “Default Gateway” in ipconfig (usually 192.168.1.1).
    • Type that IP in your browser.
    • Login (Username/Password are often on a sticker under the router).
  3. Find “Port Forwarding”
    • Look in menus like WAN, NAT, Advanced, or Security.
  4. Create a Rule
    • Service Name: Minecraft (or anything).
    • Protocol: TCP & UDP.
    • External Port: 25565.
    • Internal Port: 25565.
    • Internal IP: Your computer’s IP (192.168.1.15).
    • Save/Apply.
Now your friends can connect using your Public IP (search “what is my ip” on Google).
Guide created by HighMark - All information and contacts on my official website: Highmark.it