http://www.lcfg.org/packages/scientificlinux/lcfg/5/i386/lcfg-defetc-sl5-0.99.13-1.noarch.rpm
http://www.lcfg.org/packages/scientificlinux/lcfg/5/i386/lcfg-dns-defaults-s2-6.1.69-1.i386.rpm