title: VPN Connection Trust this app dialog
body: <p><a href="https://i.stack.imgur.com/zkpd1.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/zkpd1.png" alt="VPN"></a></p>
  
  <p>I was using DNSSet app and when I opened it it showed me this dialog.</p>
  
  <p>My question is  what this dialog is and when accepted what it will do and how can we create one like this on our own ?</p>