On 04/06/2011 13:10, RussellMc wrote: > Is a photo that can be accessed by anyone who knows the link (as you now = do). > But without that knowledge, how would you be able to access a files > with such a complex name? Continuing on my "devil's advocate" regarding such services... Perhaps if you know a few names you can expose the algorthim and have=20 the computer "guess"? Some sites are not using secure unguessable URLs. I don't know which=20 category Dropbox is in. Unless the URL generation is for all effective purposes random, a=20 "security by obscurity" will fail when enough URLs are exposed. --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .