MACROMEDIA FLASH 8-LEARNING ACTIONSCRIPT 2.0 IN FLASH Manual page 715

6.
In Flash, select Window > Debugger.
7.
In the Debugger, select Enable Remote Debugging from the pop-up menu (at the upper
right of the panel).
To activate the Debugger from a remote location:
1.
Open the Flash authoring application.
2. In a browser or in the debug version of the stand-alone player, open the published SWF
file from the remote location.
The Remote Debug dialog box appears.
If the Remote Debug dialog box doesn't appear, Flash can't find the SWD file. In this
case, right-click (Windows) or Control-click (Macintosh) in the SWF file to display
the context menu, and select Debugger.
3.
In the Remote Debug dialog box, select Localhost or Other Machine:
Select Localhost if the Debug player and the Flash authoring application are on the
same computer.
Select Other Machine if the Debug player and the Flash authoring application are not
on the same computer. Enter the IP address of the computer running the Flash
authoring application.
Debugging your scripts 715