Firewall Issues
Problems to communicate with the Mudfish master server
Using -O option
- Moves “Mudfish Cloud VPN” menu from Start button.
 - Opens the property window of “Mudfish Launcher” icon.
 - Modify the command which found at “Target(T)” box that as default, the following value is set: 
"C:\Program Files\Mudfish Cloud VPN\mudrun.exe"
 - Changes the command with -O option. For example, looks like below: 
"C:\Program Files\Mudfish Cloud VPN\mudrun.exe" -O
 - -O option turns on a feature using IP and port of old master server.
 
Using -t option
This option is only available on v4 version. If you're using mudfish v3 version, it's not supported.
- At the property window of "Mudfish Launcher" icon, modify the command as follows: 
"C:\Program Files\Mudfish Cloud VPN\mudrun.exe" -t
 - -t option turns on a feature sending a fake HTTP request.