Configure Firewall for Remote Debugging Dialog Box
This dialog box appears when the Windows Firewall blocks the debugger from receiving information over the network. To continue remote debugging, you must open a hole in the firewall so the debugger can receive information.
Opening a hole in the Firewall may expose your machine to security threats that the Firewall is designed to block. Opening a hole for remote debugging unblocks DCOM (TCP Port 135) and IPSEC (UDP 4500 / UDP 500). In addition, it allows the debugger to open additional ports. For more information, see How to: Set Up Remote Debugging.