Now, lets turn the firewall on and make sure that your iPhone or iPad is allowed through...
Select Control Panel from the start menu...
Open the Windows Firewall control panel.
If the firewall is Off... turn the firewall back on by selecting the On button.
Lets allow the incoming connections from MediaTransfer:
Click the Exceptions tab, then click Add Port. The Add a Port dialog box appears.
In the Name box, type FTP.
In the Port box, type 21.
Leave TCP selected, then click OK.
Now click the "Add Program..." button and then click the "Browse" button
Locate the FileZilla *server* exe file:
My Computer -> C Drive -> Program FIles -> FIleZilla Server -> FileZilla Server
Click OK to close the Windows Firewall dialog box.
Click the X in the upper right corner to close the Security Center.