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Pinging your computer

I got the error code below…cant open the ports…anyone help with this.
IOS MacBook Pro 2018. Big sure 11.2.3

We couldn’t reach the required ports on your machine.
Please double-check your configuration

In Windows, hit Windows+R. In the Run window, type “cmd” into the search box, and then hit Enter. At the prompt, type “ping” along with the URL or IP address you want to ping, and then hit Enter. In the image below, we’re pinging www.howtogeek.com and getting a normal response.