[root@linux2 LAJAO]# yum update Setting up Update Process Setting up Repos http://download.fedora.redhat.com/pub/fedora/linux/core/3/i386/os/repodata/repomd.xml: [Errno 4] IOError: <urlopen error nonnumeric port: '8080?'> Trying other mirror. Cannot open/read repomd.xml file for repository: base failure: repodata/repomd.xml from base: [Errno 256] No more mirrors to try. I have the following in my yum.conf file, something still amiss: proxy=http://172.17.4.16:8080 proxy_username=user proxy_password=userpass and I am currently using yum-2.2.1-1 Thanks... ez