How to bypass internet firewalls

If your company puts a firewall in the network that blocks you from playing online games, accessing some sites like facebook, twitter and myspace. Just go to www.proxylord.com or http://www.httpsurf.com and enter the prohibited sites from there. However, do not use this to go to potentially harmful sites as you may jeopardise your computer security and even the network security by giving hackers and viruses access to your computer.