From the category archives:

Information Security

Information security is what matters most in the Information age. It roughly comprises of 3 standings or CIA: Confidentiality, Integrity and Availability.

Use .htaccess to allow access only from a single HTTP referrer

by Yang Yang on May 30, 2010

in .htaccess Tutorials & Tips,Information Security

Turn off and disable magic_quotes_gpc in .htaccess

by Yang Yang on May 11, 2010

in .htaccess Tutorials & Tips,Information Security,PHP Tips & Tutorials

PHP Security Guide & Checklist for Websites and Web Applications – Bottom Line for Every Good PHP Developer

by Yang Yang on March 9, 2010

in Information Security,PHP Tips & Tutorials

Web Application Security Books (PHP, MySQL, Apache), the Best at Amazon

by Yang Yang on March 6, 2010

in Information Security,LAMP Developer Books

PHP: setcookie() with HttpOnly Option to Reduce XSS (Cross Site Scripting) Attacks by Preventing JavaScript from Reading Cookies

by Yang Yang on March 4, 2010

in Information Security,PHP Tips & Tutorials

Just Hashing is Far from Enough for Storing Passwords – How to Position against Dictionary and Rainbow Table Attacks

by Yang Yang on March 4, 2010

in Information Security,Programming Tips & Insights

PHP: Check or Validate URL and Email Addresses – an Easier Way than Regular Expressions, the filter_var() Function

by Yang Yang on March 4, 2010

in Information Security,PHP Tips & Tutorials,Regular Expression Tips & Tutorials

PHP: Allow Specific HTML Tags in Text Input Controls of HTML Forms, <textarea>, <input type=”text” />

by Yang Yang on February 15, 2010

in Information Security,PHP Tips & Tutorials

A few database security tips – things to do to effectively protect MySQL databases

by Yang Yang on February 10, 2010

in Information Security,SQL / MySQL Tips and Tutorials

One Simple Way to Encrypt, Obfuscate, Hide or Protect Your PHP Code

by Yang Yang on August 4, 2009

in Information Security,PHP Tips & Tutorials

PHP: open_basedir in php.ini to Restrict and Limit PHP File Accesses to a Certain Directory

by Yang Yang on June 1, 2009

in Information Security,PHP Tips & Tutorials

How to know if your site has been penalized by Google for malicious software or suspicious content?

by Yang Yang on May 20, 2009

in Anti Spam Tips & Tricks,Google Hacks, Cheats & Tips,Information Security,SEO Tips & Tutorials

phpBB Spam Control – phpBB Anti-Spam Options for Fresh Forum Installations

by Yang Yang on March 15, 2009

in Anti Spam Tips & Tricks,Information Security,Popular Scripts and Software

Quick Tutorial & Examples: Robots.txt Disallow All and Block Search Engine Spiders

by Yang Yang on March 10, 2009

in Information Security,SEO Tips & Tutorials

PHP: Escape String Literals for SQL, mysqli::real_escape_string and PDO to Prevent SQL Injection Attacks

by Yang Yang on January 25, 2009

in Information Security,PHP Tips & Tutorials,SQL / MySQL Tips and Tutorials

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