squid problem

["shyam " <sham78 rediffmail com>]

hi friends

I am using RH7.2, i need to configure my squid in such way that it 
should listens to eth1(i am having two interfaces) for some of the 
addresses instead of ppp0,
i try in netscape >preferences>no proxy but the problem is ,what i 
am mentioned "some" is DNS
how do i get through??

any help is precious
shyam