Hi, I was told about YUM as a great substitute for apt-rpm. I installed version no 2.0.4. After installing the RPM on my Res Hat 9, I got the following error: " Gathering header information file(s) from server(s) Server: Red Hat Linux 9 - i386 - Base retrygrab() failed for: http://mirror.dulug.duke.edu/pub/yum-repository/redhat/9/i386/headers/header.info Executing failover method failover: out of servers to try Error getting file http://mirror.dulug.duke.edu/pub/yum-repository/redhat/9/i386/headers/header.info [Errno 4] IOError: HTTP Error 407: Proxy Authentication Required " Clearly the proxy configuration has not been correct. I have setup the http_proxy environment variable. And the link is accessible using lynx web browser, which promts for a username and passwd .I am behind a proxy which requires a password authentication. How and where do I specify the proxy username and passwd? Hope you guys can help me solve this. Thanks in advance.