Store the contents as a JPEG then it;s just a big image file and it can't be read easily by machines.
Doug Franklin wrote: > William Robb wrote: > > >> Does anyone know if there is a way of preventing search engines from >> indexing the contents of a >> PDF file, without actually putting password security on the file? >> > > If anyone can get the file without a password, then a search 'bot can. > The robots.txt file is purely an agreement, and no 'bot is bound by it; > they're free to ignore it if they want. > > There are only two ways to keep material away from the search bots: > > 1) Don't put that material on the Internet > > 2) Put it on the Internet, but protect it with (at least) authentication > or (more securely) non-trivial encryption, and in either case or both > cases use a non-trivial password. > > -- Vote for Cthulhu. Why settle for a lesser evil... -- Dr. Jerry Pournelle -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

