The most popular proxy script is Php 0.5 and Glype, it is very easy to upload the script to your website and build your own proxy site.

From the net, I learned a new way to build proxy site powered by Google App Engine. As we all know, the risk ofthe IP of  Google get banned by school&company is very tiny. Also the site powered by Google is very fast and  reliable.

You can try the following proxies first ,

https://free4internet.appspot.com
https://proxy1china.appspot.com
https://proxy2china.appspot.com
https://unblock4myspace.appspot.com
https://bypass-filter.appspot.com
https://bypass-proxy.appspot.com

if the proxies above are working for you, please continue reading

It is very easy, you can make it in 10 mins. Follow the instruction below:

  1. Sign up for an App Engine account. Then sign in to “Create an Applicaton” and you need to leave a cell phone no. to get the SMS verification. After the verfication, you need to name your website (ABC) as the identifier, your web site will be ABC.appspot.com.
  2. Download the App Engine SDK.
  3. Download and install  Python 2.5 for your platform fromhttp://python.org/download
  4. Install  the App Engine SDK.
  5. To add a new dir(the name should be same as the  identifier:ABC) in the installation path of SDK.
  6. To download mirrorrr（1) http://code.google.com/p/mirrorrr/source/browse/#svn/trunk all files should be in the same dir(/DEF)（2）http://code.google.com/p/mirrorrr/source/browse/#svn/trunk/static%3Fstate%3Dclosedall files should be in the dir(DEF/static). You need to build /static by yourself.
  7. Opeen app.yaml(in /ABC) by NOTEPAD,rewrite the first line application:ABC.
  8. To run CMD, enter into the path of SDK, appcfg.py update ABC , input your account and password
  9. Cloning 8 static files. Cloning 6 application files.Closing update. Uploading index definitions.Done！