There are lots of free Captcha modules available on the net which you can simply plug into your website, but if you want to create your own, here is one simple process to create using PHP. Basic concept for Captcha is to reduce or stop spam on your website, Captcha prevents from spam as it force the user to type the exact letters or answer that is generated using some alorigthm before submitting the forms. A common type of Captcha requires the user type letters or digts as that appears on the screen. Today, we are going to build a very simple Captcha using PHP. (more…)

CAPTCHA · PHP

Looking for running both IIS and Apache server at same time on windows operating system, here is few instruction to do so:
C:\xampp\apache\conf\httpd.conf:

* Search for “Listen 80″, change to “Listen 81″
* Search for “ServerName localhost:80″, change to “ServerName localhost:81″
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Apache · IIS · PHP · WAMPP · XAMPP

Download the file from GNUPG website. GnUPG can be used for comercial sites without a license.

You will need shell access, i.e. telnet or SSH. SSH is more secure. Also a linux machine and a copy of PGP installed on your machine. You will also need to generate a key pair, this consists of a public and private key. The public key is uploaded to the server the private key is kept on your machine. See the PGP help file for more information.
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Decryption · Email · Encryption · GNUPG · PHP