Proxy Server to simulate man in the middle attack with GET and POST requests.
GET: http://python.vic-tim.de/images/
POST: http://python.vic-tim.de/proxy/form.html
Proxy will replace images with fake images and manipulate title of webpage.
Will proxy the POST requests if the form is filled with the message "top", it will be replaced with "flop" and send to the server. Original received response from server is changed that client will never now that "top" has changed to "flop".