Port forwarding can improve your connection quality in some multiplayer games, fix a strict NAT type that blocks matchmaking, and let you host a game server for friends. It also opens a door through your router’s firewall, so it has to be done deliberately. This guide walks through how to forward ports for gaming without leaving your network exposed.

Do you actually need to forward ports?

Most modern games work fine without any manual setup thanks to UPnP and NAT traversal. You typically only need port forwarding when you see a “Strict” or “Type 3” NAT that blocks you from parties, when hosting a dedicated server, or when a specific game’s support page lists required ports. If your NAT is Open or Moderate and matchmaking works, leave it alone.

NAT type Effect on play Action
Open / Type 1 Best connectivity Nothing needed
Moderate / Type 2 Usually fine Optional tuning
Strict / Type 3 Party/host problems Forward ports or enable UPnP
Hosting a server Requires inbound access Forward the server’s ports

Set a static local IP first

Port forwarding sends incoming traffic to one device’s local IP address, so that address must not change. Before forwarding, reserve a static IP for your gaming PC. The cleanest way is a DHCP reservation in the router, which ties your PC’s MAC address to a fixed local IP like 192.168.1.50. If the PC’s IP changes later, your forwarding rules would point at the wrong device.

Create the forwarding rule

Find the correct ports

Check the game’s official support page for the exact TCP and UDP ports; do not copy random lists from forums. Note whether each port is TCP, UDP, or both, and whether it is a single port or a range. Forwarding only the ports a game documents keeps your exposure minimal.

Enter it in the router

Log into your router’s admin page, find Port Forwarding (sometimes under Advanced or NAT), and create a rule with the external port, the internal port, the protocol, and your PC’s reserved local IP. Save and, if the router requires it, reboot. Then confirm the port shows as open using an online port checker while the game or server is running.

Keep it safe

Forward narrowly, never DMZ

Avoid putting your PC in the router’s DMZ, which exposes every port to the internet and is a real security risk. Forward only the specific documented ports. The fewer doors you open, the smaller your attack surface. Remove forwarding rules for games you no longer play.

Prefer UPnP when it works

For most consoles and games, enabling UPnP on the router lets titles open only the ports they need, only while they need them, then close them. That is safer and simpler than permanent manual rules for the average player. Reserve manual forwarding for hosting servers or games where UPnP is unreliable.

Keep firmware current

An exposed port is only as safe as the software behind it. Keep your router firmware and any game-server software updated, and use strong admin credentials. If you host a dedicated server, run it fully patched and consider isolating it from sensitive devices on your network.

Test your NAT type before and after

To know whether your changes worked, check your NAT type before and after forwarding. Many games display it in their network settings, and consoles report it plainly as Open, Moderate, or Strict. Note the starting value, apply your forwarding or UPnP change, restart the game, and check again. Moving from Strict to Open or Moderate confirms the fix took effect. If the type does not change, verify your PC still holds the reserved local IP the rule targets, that you chose the correct protocol, and that no second router or your ISP’s modem is applying its own layer of NAT that also needs configuring.

FAQ

Does port forwarding lower my ping?

Not directly. It does not change the route or distance to a server, so raw latency stays the same. What it can do is fix a strict NAT that was forcing you onto worse connections or relay servers, which can improve your effective connection quality and matchmaking.

Is port forwarding dangerous?

It carries some risk because you are opening a path through your firewall, but forwarding a few specific documented ports to a single device is low risk when the software behind them is patched. The dangerous move is using DMZ or forwarding wide ranges you do not understand. Keep it narrow and current.

Bottom line

Only forward ports if a strict NAT or a self-hosted server requires it. Reserve a static local IP, forward exactly the ports the game documents with the right protocol, and verify them with a port checker. Favor UPnP for everyday play, never use DMZ, and keep firmware and server software patched so the door you opened stays safe.

Related guides

Browse all PC Gaming Guides guides →