I have to use a proxy with authentication to connect to the Internet. But I can't find any solution for this.I have modify my yum.conf, with a lot of possibilities:proxy=http://myproxy.domaine.com:8080/proxy_username=DOMAIN\user    or just   USERproxy_password=mypasswd1      or leave blankor I did this too:proxy=http://DOMAIN\User:password@myproxy.domain.com:8080/I also tried this:http_proxy=http://DOMAIN\User:password@myproxy.domain.com:8080/export http_proxyBut nothing works! When I do a yum update, it tells me: [Errno 14] HTTP Error 407: Proxy Authentication RequiredDoes anyone have a solution, because since yesterday, I have tried all of these approaches, and I stil cannot connect to the Internet.EDIT : I have a .pac file too. But no graphical mode in my host. So I don't know what to do with this file.
CentOS use .pac file as proxy
centos;proxy;authentication
You could be behind an NTLM proxy.I have used this solution before, and it works very well.The solution is called NTLM Authorization Proxy Server Take a look at http://ntlmaps.sourceforge.net/