How to overview all open ports for network assets?

To overview the vulnerabilities of an open port for a network asset, do the following. 

1. Log in to Security Center.
2. In the main navigation bar, hover over Assets.
3. From the dropdown menu that appears, select Ports.
4. Click on a certain vulnerability or click on Filter if you want to search for a specific filter.
5. Click on a port to overview:
   • Assets: to overview the assets with an port open.
   • Vulnerabilities: to overview the vulnerabilities that have been detected on that port.
6. Done.