ssh tunnel? what is it?? this is a way for bypass getway to access a server or hidden real IP address. Its anti teori so if you want get much information about this,, just click HERE..
I will show how to use the ssh tunnel Putty for browsing..
this is some of the things that must be held :
- ssh account
- putty :: you can download from http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html
- firefox (browser).
first open your putty and fill host name with your server and fill port for ssh.. then go to Ssh -> Tunnels, give check point on Dynamic and in field source port you can fill with anyport where have ranges 1000 – 65500 then add.

recaptcha are the anti spam method using captcha. may captcha just using leter and or number but recaptcha using 2 word in different image with AES (Advance Encryption System) on sending the code.
this is available in wordpress plugin called WP-reCAPTCHA

this is my exploration using jQuery, its about how to create menu without script in the html tag ^_^!
for this tutorial you must download JQuery script from JQuery.com
CodeIgniter is a powerful PHP framework with a very small footprint, built for PHP coders who need a simple and elegant toolkit to create full-featured web applications. Blablabla….
This is a CI implementation of the ReCAPTCHA server (http://www.recaptcha.net)
There are three files needed:

