That’s strange. Try 192.168.1.100
Adding proxy is a native feature in WhatsApp.
Just add proxy to something that leads to nowhere to block WhatsApp from connecting anywhere.
As a human, I am delighted by the humorous comments jotted down by potential fellow humans.
Sadly, I am getting the warning even whitelisting YouTube on Ghostry. I have to turn off Ghostry altogether to do away with the warning.