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Port forwarding is an essential feature that can help in many different cases. It enables you to access any device or server that is hidden behind private networks, routers, firewalls, NAT, or CGNAT.
If you’re wondering how you can avail all the benefits that come with port forwarding, then the following guide is sure to help you out. In this particular guide, we’ll show you how to port forward UDM Pro.

Requirements to port forward UDM Pro
Before you begin with the port forwarding process, please make sure that you have the following things available and noted down:
- The IP address of your router (you can easily locate this by entering your router’s model number on the internet)
- The IP address of the device (computer, phone, console) that you want to port forward
- And finally, the TCP and UDP ports that the application requires
Step-by-step guide on how to port forward UDM Pro
Once you’ve collected all the necessities, you’ll then need to follow the steps below to set up port forwarding on your UDM Pro router:
- First, log in to your UDM Pro firmware settings by using the UniFi Network application, or by entering the IP address of the router on your web browser
- Now, navigate to the port forwarding section of the router and click on the option titled “Create New Port Forward Rule”
- Enter the name for your port forwarding rule
- Then enter the IP address of the device that you want to port forward
- Now, enter the TCP and UDP ports of the application in the correct boxes. If you’re not sure which ports to use, it’s best to check the application’s documentation
- Then choose the protocol (TCP, UDP, or both)
- Click on “Enable” to activate the port forwarding rule
- Save to apply the changes
When the changes have taken effect, you can easily start hosting your server or application on the network and can easily let your friends connect to it. Don’t forget to provide them with the hostname that you’re using as well as the port number, which should look something like this, ‘hostname.domain.com: 25565.
Ports needed to run
To access your server or applications without any interruptions, make sure to allow access to specific ports on your firewall. The default port for UDM Pro is:
TCP Port: 443
Quickly and safely open ports using PureVPN
Forwarding ports is not an easy task. Moreover, a single mistake can even mess up your router’s firmware settings.
Thankfully, there is a way to avoid the manual route and make the whole process simpler and more secure. This is possible if you start using PureVPN’s Port Forwarding add-on. With the add-on, you can automate the entire port forwarding process, and can easily allow all ports, block them, or give access to certain ports only.
Moreover, this add-on also guarantees the safety of your network and can protect you from dangers that can arise when opening your private network to the internet. And if you’re irritated by issues like CGNAT, then this add-on helps you avoid that too.
How to Port Forward on UDM Pro with PureVPN
If you want to open ports on your UDM Pro without hassle, try PureVPN’s Port Forwarding add-on. Here is how to get started:
Step #1: Subscribe to PureVPN
Sign up for PureVPN and add Port Forwarding to your plan. Choose your payment method and enter your payment information to finalize your purchase.
Step #2: Download and Install PureVPN
Get the PureVPN app for your device from our website or your app store. Once done, open the app and log in with the credentials you set up during registration.
Step #3: Log into Member Area
Go to PureVPN’s Member Area on your web browser and navigate to the Subscriptions tab. Here, click the Configure button next to Port Forwarding.
Step #4: Configure Port Forwarding
Select the option to Enable specific ports and type in the ports you need to open on your UDM Pro. Save your settings by clicking on the Apply Settings button.
Step #5: Connect to a PF-Supported Server
Launch the PureVPN app, find the server list, and connect to a server that supports port forwarding to activate your configured settings.
UDM Pro Port Forwarding Not Working? Try These Fixes
If you are unable to set up port forwarding on UDM Pro, here are a few possible reasons and effective solutions to consider:
- Check the Configuration Settings: Verify that the IP addresses and port numbers in your UniFi Controller settings are correctly set to match the device you are forwarding to and that the external ports are appropriate.
- Verify the Firewall Settings: Look at the firewall settings on your UDM Pro to confirm there are not any blocking rules that might prevent the forwarded ports from accessing your network.
- Update Firmware: Check for firmware updates for your UDM Pro and apply any available updates to address potential bugs affecting port forwarding.
- Confirm ISP Restrictions: Contact your ISP to check if they impose any restrictions on port forwarding which might be causing any issues.
- Reset to Factory Settings: If all else fails, reset your UDM Pro to factory settings. This will clear any misconfigurations and might solve the problem.
Frequently asked questions
As mentioned above, you can easily access the port forwarding settings of UDM Pro by logging in to your router using the UniFi Network application, or by entering the IP address of the router in the URL field of your browser and navigating to the port forwarding section.
That depends on the server or application that you want to host on your private network. If you’re not sure about which ports to use, then it’s best to check the documentation of the server or application.
To increase the speed of your UDM Pro, you should upgrade your internet plan, or connect less number of devices to the network. You can also switch to an Ethernet cable instead of Wi-Fi to increase speeds.
Yes, UniFi supports port forwarding. Here’s how you can allow ports:
1. In the UniFi Controller, go to the “Settings” section and select “Routing & Firewall.”
2. Under the “Port Forwarding” tab, you can configure rules to forward specific ports from the external network to devices within your UniFi network.
Ensure your device’s firewall permits incoming connections on the specified ports for successful port forwarding. Follow the steps below:
1. Log in to your UniFi Controller.
2. Go to “Settings” and select “Routing & Firewall.”
3. Click on the “Port Forwarding” tab.
4. Click “Create New Port Forward Rule” and fill in the required details(service, external and internal ports, and the local IP of the device)
5. Save the changes, and the UniFi router will forward the specified ports to the designated device.
Yes, it does. Dream Machine has a built-in firewall as part of its security feature.
In a nutshell…
Port forwarding is useful in many ways, which include online gaming as well as remote access to devices and servers on your network. You can easily port forward UDM Pro by following the steps mentioned above. Or if you want to find the easy way out, just have PureVPN’s Port Forwarding add-on.