Description: Limit attachment view / upload / download based on the user permission. what is the Function of this addon ? 1- as many want to limit attachment view / upload / download based on the user permission ... 2- limit the Size of the file based on usergroup . Working 3- exclude some of the extensions from usergroup .Working 4- limit the Max image Width and height working Working like a charm ... but notice that general behavior of xf is not sending a err msg when it not mach the limited ... it is going to resize the images 5- limit the count of the files. working how can I make the users View some extensions files but not other extensions ... go to option -> [DH]UltraAttachment Management->Special extensions: Installation Instruction: Upload all files to forum root and install via XML.