up2date header file download issues

hi, are you aware of any issues on the mirrors, I get this during up2date runs: -- Downloading headers to solve dependencies... There was an error downloading: http://download.fedoraproject.org/pub/epel/4/x86_64/headers/GMT-coastline... There was an error downloading: http://download.fedoraproject.org/pub/epel/4/x86_64/headers/GMT-examples-... There was an error downloading: http://download.fedoraproject.org/pub/epel/4/x86_64/headers/MochiKit-0-1.... -- it happens on many machine on our network, wondering if it's an issues on the mirror or somewhere else I need to be looking. thanks. Please note: This email and its content are subject to the disclaimer as displayed at the following link http://www.is.co.za/legal/E-mail+Confidentiality+Notice+and+Disclaimer.htm. Should you not have Web access, send a mail to disclaimers(a)is.co.za and a copy will be emailed to you.