6.4.2. Useful Websites

http://www.bergen.org/ATC/Course/InfoTech/passwords.html — A good example of a document conveying information about password security to an organization's users.

http://www.crypticide.org/users/alecm/ — Homepage of the author of one of the most popular password-cracking programs (Crack). You can download Crack from this page and see how many of your users have weak passwords.

http://www.linuxpowered.com/html/editorials/file.html — a good overview of Linux file permissions.