Thankfully, DUN (Dial-Up Networking) is a thing of the past for many of us, at least as far as internet connectivity goes. However, it can still be used to connect to simple VPNs.
Using DUN to facilitate simple VPN connections is great, until an application tries to access the internet with an address that does not exist or is non-responsive. Then you get this annoying little pop-up window asking you to connect to your VPN,
