yes, you need a internet proxy, the software will act as a messenger, it will pick up your internet traffic and go to the website you want to go.
from the filter it will show that you only communicate with this proxy server, no worry.
i use this everyday. http://anon.inf.tu-dresden.de/index_en.html there is a free and premium service.
there are plenty of proxy software out there, just search and download, follow the instruction and you ready to go.