Mine

[main]
cachedir=/var/cache/yum
debuglevel=2
logfile=/var/log/yum.log
pkgpolicy=newest
distroverpkg=redhat-release
tolerant=1
exactarch=1
retries=20
obsoletes=1
gpgcheck=0


[base]
name=White Box Enterprise Linux $releasever - $basearch - Base
enabled=1
baseurl=ftp://ftp.gtlib.cc.gatech.edu/pub/whitebox/$releasever/en/os/$basearch/

[updates-released]
name=White Box Enterprise Linux $releasever - $basearch - Released Updates
enabled=1
baseurl=ftp://ftp.gtlib.cc.gatech.edu/pub/whitebox/$releasever/en/updates/
	
[Extras]
name=White Box Enterprise Linux $releasever - $basearch - Extras
enabled=0
baseurl=ftp://ftp.gtlib.cc.gatech.edu/pub/whitebox/$releasever/en/extras/
	
[Debuginfo]
name=White Box Enterprise Linux $releasever - $basearch - Debuginfo
enabled=0
baseurl=ftp://ftp.gtlib.cc.gatech.edu/pub/whitebox/$releasever/en/debuginfo/