If I have bw 64 kbps and then the speed for download is 64/8 = 8 KBps
is it possible to limit downlod speed became 4 KBps and for browsing stil 64 kbps??
Web browsers open the 'save as'(download) dialog box when they can`t open something in the browser. MIME type of a binary file (mos of the download is like this) is application/octet-stream so all you have to do is mark these packets and limit.