Same problem with
https://kojipkgs.fedoraproject.org/
I am pretty sure it worked on Friday, Fedora 20 with latest
updates, firefox-32.0.2-1.fc20.x86_64 with default configuration,
nothing changed on my side, opened ticket [1]
thanks & regards
Jaroslav
[1]
https://fedorahosted.org/fedora-infrastructure/ticket/4565