PHP > Sample Class Login with secure session

This class can be used to prevent security attacks known as session hijacking and session fixation.

When a session is initialized the class computes a fingerprint string that takes in account the browser user agent string, the user agent IP address or part of it and a secret word. If the fingerprint value changes, it is very likely that the session was hijacked and it should no longer be accepted.

To prevent session fixation attacks the calls the PHP session_regenerate_id() function so the session identifier changes everytime the session is checked.

Download : secureSession.zip [ mirror ]

Reference : www.phpclasses.org

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PHP > Sample Guest Book With Spam Filter

This class can automatically classify text messages to determine whether or not their are considered to be spam.

It can build a knowledge base of known text expressions that can be looked up later to evaluate a factor that expresses the probability of a given text to be spam.

This class could be used in Web mail applications or even in less obvious applications like forums and guest books, acting like an semi-automatic moderator.

Download : SpamFilter.zip [ mirror ]

Other Popular Guestbooks
This method takes all of the POST content, creates a single string, and runs it through SLV. It also removes your host name from the input in case you are passing on a variable such as a thank you page. I have implemented it on several popular guestbooks. I have not tested the code though, it may need some tweaks.

• Ardguest Guestbook [DOWNLOAD] [SITE]
• Fantastic Guestbook [DOWNLOAD] [SITE]
• Viper Guestbook [DOWNLOAD] [SITE]
• Achim Winkler Guestbook [DOWNLOAD] [SITE]
• Xeobook Guestbook [DOWNLOAD] [SITE]

Reference :
- www.phpclasses.org
- www.linksleeve.org

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