http_porxy with username and password

[pHx]

Hello i am on a domain netowrk which requires http auth when connecting to the proxy server. The proxy server is a microsoft isa one if it helps.

I have tryed to do

export http_proxy="DOMAIN\Userassword@iport"

but it does not seem to work, yet if i enter the same synax in firefox when it asks for it, it works correctly.

Thanks
Oli