You can use the localhost address (127.0.0.1) fine for testing otherwise yes you need a legit licence key.
I am using the "Java" version under Firefox 1.5.0.3 with no dramas. Example AE code I am using: <cf_activedit name="LibraryBody" inc="#Request.ActiveEditIncludePath#" width="100%" height="500" upload="1" breakonenter="true" alloweditsource="yes" buttoncolor="cdcdcd" image="true" toolbar="cut,copy,paste,|,redo,undo,|,outdent,indent,|,justifyleft,justifycenter,justifyright,bullets,numbers,|,table,image,hyperlink,||,find,help,specialchars,|,quickformat,bold,italic,underline,showdetails,hr" tabview="yes" imagepath="#Request.ActiveEditImagePath#" imageurl="#Request.ActiveEditImageURL#" baseurl="#Request.ApplicationURL#" stylesheet="#Request.ApplicationURL#/#Request.DomainPrefix#.css" appletlicense="#Request.ActiveEditLicence#"></cf_activedit> Peter Tilbrook Manager, ACT and Region ColdFusion Users Group (www.actcfug.com) ColdGen Internet Solutions (www.coldgen.com) PO Box 2247 Queanbeyan, NSW, 2620 Australia ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~| Message: http://www.houseoffusion.com/lists.cfm/link=i:4:241595 Archives: http://www.houseoffusion.com/cf_lists/threads.cfm/4 Subscription: http://www.houseoffusion.com/lists.cfm/link=s:4 Unsubscribe: http://www.houseoffusion.com/cf_lists/unsubscribe.cfm?user=89.70.4 Donations & Support: http://www.houseoffusion.com/tiny.cfm/54