They were unavailable because of a network outage, anyway everything
is now back to normality and all services are restored.
a lot of Red Hat hosts are currently down for networking problems, we
currently don't have an ETA but we'll keep you informed and follow-up
with another announcement when everything will be back to normality.
Everything should be back to normality.
2013/2/3 Andrea Veri <av-rDKQcyrBJuzYtjvyW6yDsg< at >public.gmane.org>