Here are several ways to secure UPnP ports and minimize their impact on potential vulnerabilities:
1) Update your router frequently:
Make sure that the updates to the router are current. Updates are often released by router manufacturers to address security flaws and enhance security in general. Periodically check for changes and implement them right away.
2) Turn off UPnP if it is not required:
You could choose to disable UPnP from your router's settings if you are not using it frequently or if you do not require it specifically. By doing this, devices will be less likely to automatically create port mappings and pose security problems.
3) Examine and Adjust UPnP Configuration:
If you use UPnP, check your router's UPnP settings frequently. You can see the list of active UPnP port mappings on certain routers. Make sure that the port mappings are only created by authorized devices and services.
4) Use a Strong Router Password:
Use a strong password to secure your router and keep unwanted people from accessing its settings. Avoid using default credentials as your password since hackers frequently take advantage of them as they are well known.
5) Enable Password Authentication for the Router Admin Panel:
For access to the web-based administrative interface of the router, you may configure password authentication on many routers. This increases security by requiring a password and username to access router settings.
6) Segment your network:
To isolate devices that require UPnP from the rest of the network, you can create network segments, also known as Virtual Local Area Networks (VLANs).
7) Regularly update devices:
Keep your devices up-to-date. Make sure all of your devices, such as computers, mobile phones, Internet of Things (IoT) devices, network equipment, etc., are constantly updated with the most up-to-date security patches and security updates. These updates help protect against common vulnerabilities that hackers and malware can exploit.
8) Use a Firewall:
For enhanced security, it is recommended to establish a firewall on either your router or computer. This will allow you to control inbound and outbound traffic more effectively. Although UPnP is designed to automatically open ports when necessary, incorporating an additional firewall layer can provide an extra layer of protection against unauthorized access.
9) Implement Network Security Best Practices:
Follow the recommended network security guidelines, which include creating strong and distinct passwords for your devices, refraining from using public Wi-Fi for sensitive transactions, and being careful when downloading and running unknown software.
10) Regularly Monitor Network Traffic:
It is important to monitor your network traffic on a regular basis by reviewing your router's logs and keeping an eye out for any suspicious or unexpected activity. This will help you stay on top of any potential security threats and take action before any damage is done.
11) Consider using Port Triggering instead:
You may want to consider using port triggering instead of UPnP if you require port forwarding capabilities but desire more control. With port triggering, you can manually configure and open specific ports when necessary, which helps minimize the risks associated with automatic port forwarding.
- It is highly recommended to keep yourself updated with the latest security updates and vulnerabilities related to your router configuration and UPnP implementation. Port triggering can be a useful alternative to enhance your security measures.