debian source.list

[Ravi <ravi.aroy@gmail.com>]

Hi List,

I am new to Debian (in fact using Debian 4.0 "etch" version), I have 
been fighing to have a valid source.list, when I try to run apt-get 
update I most of the time servers are not found..and not able to upgrade 
to some of the pacakges on my box.
Could somebody help here please?

Regards
Ravi