= Firewall Issues = <> == Mudfish Master Server == This section describes about if you're encountering issues for Mudfish Master Server to connect. === 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.