Hi, I need to add some security to some pages and even some directories so users are not able to view them. What do I need to do to prevent users from viewing pages?

http://www.google.com/search?q=php+password+protection

If you are just looking for basic directory password protection :
http://www.quickonlinetips.com/archi...with-htaccess/

Or if you want to limit access to only certain ip :

http://www.techiecorner.com/96/limit...with-htaccess/