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Information Security

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


PHP Class for Handling .htpasswd and .htgroup (Member Login & User Management)

by Yang Yang on April 25, 2012

SSH Web Hosting as Socks5 Proxy for VPN Tunnels via PuTTY

by Yang Yang on September 30, 2011

How to create / generate .htpasswd password with PHP dynamically?

by Yang Yang on September 18, 2010

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

by Yang Yang on May 30, 2010

Turn off and disable magic_quotes_gpc in .htaccess

by Yang Yang on May 11, 2010

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

by Yang Yang on March 9, 2010

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

by Yang Yang on March 6, 2010

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

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

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

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

by Yang Yang on February 15, 2010

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

by Yang Yang on February 10, 2010

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

by Yang Yang on August 4, 2009

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

by Yang Yang on June 1, 2009

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

by Yang Yang on May 20, 2009

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