Linux MAndrake & ISA Server

I m new on Linux. I m trying Linux Mandrake 9.1 at my office network based on win2000 server and an Isa Proxsy server.
I m trying to connect to internet using my linux pc by using default gatway or proxy server but alwase get the error timeout for the first or your are http 407 proxy authentication required.

 

 

 

 

Top