i tried to update my scientific linux and i am getting the following
Loaded plugins: fastestmirror, refresh-packagekit, security
Determining fastest mirrors
* sl: ftp.scientificlinux.org
* sl-security: ftp.scientificlinux.org
[Errno 14] PYCURL ERROR 6 - "Couldn't resolve host 'ftp.scientificlinux.org'"
Trying other mirror.
and ping, nslookup also not working. I can ping my network gateway. but can't ping google.com or any other ip address external to my proxy
Please help me with this problem