Greetings! I am running a Centos-4 box and since January 17, I have been unable to update. If I run 'yum update' from the command line, I get error messages about being unable to locate a mirror while trying to obtain primary.xml.gz. If I run up2date from the GUI, it times out as it is trying to access the update file for firefox. Other than the problem with updates, this box doesn't seem to have any trouble accessing Web sites and there is not a proxy server in use on our network. Another box on my network that is running Centos-3 does not appear to be having the same problem. I would appreciate any hints on where to start troubleshooting this problem. Paul Paul M. Wright, Jr. Senior Systems Engineer Northwest Fire District 520-260-7520 cellular 520-887-1010 office 520-887-1034 fax pwright at northwestfire.org