proxy server problem in liux enterprise server
 

i have install Red HAT linux enterprise server and using that server as proxy server , i have configured proxy and define dns_name severs , my local ip pool etc .
but when i am trying to connect inernet through this proxy , i am getting the home page of any site correctly but when i am trying to open the link page available on that page i am getting error page with following massage - no DNs found "
pls sugget me how can i resove this problem

pls helppppppp