How do i conf. to bypass squid a specific server

I Wont to configure squid to not proxy en spicifid server.
I af to get the clients ip nr to bypass the spuid to a spicifed server, sow
I can see the IP nr of the user on the webserver in an other net
heres there conf.

Proxy server is the gateway white 3 net cards
1 to the internal net (172.20.0.0/1)
2 to the internet (195.54.87.162/5)
3 to the DMZ zone (195.54.87.169/5)

and ther is a webserver on 195.54.87.170 on this on i ned to see the ip nr
from 1 the internal net.
the only thing i getting for in the webserver is th ip nr form the 3.
netcard.

How do I configure Squid not proxy eny thing going to the dmz zone

Med venlig hilsen / Best Reg@rds
David Sune Palsgaard
ICQ# 46293895