In my college I used proxifier program to access blocked sites. I had to add a proxy setting in my "proxy servers" like
Address=myipaddress as what my ip address on whatismyip.com
port =3128
and everything worked fine.
Now in my office I use the internet through a network proxy or Http filter(Microsoft TMG). my proxy server address is suppose "proxy_address" with port 8080.
When I use do the same thing as I did in college doesn't work.
How to configure proxifier on my pc which uses a proxy already to access the Internet.