ftp.scientificlinux.org/linux/scientific/6.0/x86_64/updates/security :
firefox-60.5.0-2.el6.i686.rpm
firefox-60.5.0-2.el6.x86_64.rpm
spice-server-0.12.4-16.el6_10.3.x86_64.rpm
spice-server-devel-0.12.4-16.el6_10.3.x86_64.rpm