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Port Forward Call of Duty: Black Ops Cold War: How to Open Ports on Routers Behind CGNAT  

  • 17 January 2025
  • 6 mins read

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Call of Duty: Black Ops Cold War is an intense, first-person shooter game that requires stable connections to fight the enemies, climb obstacles, and shoot. However, players often struggle with connection issues that disrupt gameplay. Port forwarding Call of Duty: Black Ops Cold War is a simple yet effective way to tackle these problems.

What is Port Forwarding? 

Port forwarding is a technique that allows direct communication with game servers without delays making MMO (massively multiplayer online) games like Call of Duty faster and smoother. 

Before You Forward a Port 

You need to know the following before opening ports for any game and application: 

  • The IP address of your router 
  • The IP address of your device (computer or console)
  • Port numbers (UDP and TCP)

Default Ports for Call of Duty: Black Ops Cold War

The default ports for Call of Duty: Black Ops Cold War are:

PC

  • TCP: 3074, 27014-27050
  • UDP: 3074, 3478, 4379-4380, 27000-27031, 27036

PlayStation

  • TCP: 1935, 3478-3480
  • UDP: 3074, 3478-3479, 3658

Xbox

  • TCP: 3074
  • UDP: 88, 500, 3074, 3544, 4500

How to Port Forward Call of Duty: Black Ops Cold War 

Follow these steps to enable port forwarding for Call of Duty: Black Ops Cold War on your router:

  • First log in to your Router. Open a web browser and type your router’s IP address (e.g., 192.168.0.1).
  • Enter the admin username and password to access the router settings.
  • Now find the Port Forwarding section by Navigating to the “Port Forwarding” or “Virtual Server” tab in your router settings.
  • Add a new rule for Call of Duty: Black Ops Cold War by inputting the following details:
  1. Service Name: COD Black Ops Cold War
  2. Protocol: Choose TCP, UDP, or both.
  3. External Ports: Enter the ports required for the game.
  4. Internal Ports: Match these with the external ports.
  5. Device IP Address: Enter your gaming device’s local IP.
  6. Save the rule.
  • Restart your router to apply the changes and ensure the new settings take effect.

Why Opening Ports Behind CGNAT is an Issue? 

Many ISPs (internet service providers) perform CGNAT (Carrier-Grade NAT) to save IPv4 addresses by sharing one public IP among multiple users who are connected to the same network as you are. Unfortunately, you can’t open ports on your router behind CGNAT because your IP address can get blacklisted or blocked. 

How to Open Ports on Routers Behind CGNAT

With PureVPN’s port forwarding add-on and a dedicated IP, you can port forward Call of Duty: Black Ops Cold War on routers behind CGNAT by following these steps:

  1. Login to the PureVPN member area.
  2. Click the subscription tab.
  3. Click Configure.
  4. Apply your desired port settings.
  5. Click Apply settings.
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Frequently Asked Questions (FAQs)

  • Can port forwarding improve my ping?

    Plus

    Yes, port forwarding can reduce latency and improve ping by optimizing the connection between your device and the game server.

  • Is port forwarding safe?

    Plus

    No. Although you open only the necessary ports for the game, it exposes you to hacking attempts and online threats. Avoid exposing other ports unnecessarily.

  • How do I know if port forwarding is working?

    Plus

    Use online port-checking tools or test your connection in the game’s network settings.

  • What should I do if my ISP uses CGNAT?

    Plus

    Reach out to your ISP to request a dedicated public IP or use a VPN with port forwarding capabilities. But most ISPs don’t offer this package. You can always use PureVPN with a dedicated IP and port forwarding add-on for your internet needs.

In Summary

Port forwarding Call of Duty: Black Ops Cold War is key to improving your online gaming experience. Although firewalls and CGNAT can create hurdles, PureVPN’s port forwarding add-on and a dedicated IP setting it up is easy with a single click!

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