Google for Transparent Proxying with Squid....there are tons of writeups and that is what you want...there is only one iptables rule required but there are a few configs for squid in squid.conf > > -----Original Message----- > From: netfilter-admin@xxxxxxxxxxxxxxxxxxx > [mailto:netfilter-admin@xxxxxxxxxxxxxxxxxxx] On Behalf Of > Patrick Ahler > Sent: Friday, May 09, 2003 3:49 PM > To: netfilter EMAIL > > Ok, I got squid working great behind my firewall even set it > up so IE would autodetect it. What I would rather do though > is have netfilter/the firewall > server(192.168.1.a) forward any http packets from my network > 192.168.1.0 to the proxy server on 192.168.1.b and then out > to the internet through the firewall(192.168.1.a). That way > the proxy would be transparent to the users' > browsers and no autodetection would be required. Not sure how > to setup these rules, or if this is even the most efficient > way of accomplishing the task. > Also, I don't know if it makes a difference... but the > firewall runs NAT tables. > > So, in other words, this is what I'd like to do... > (user)192.168.1.c > --->(firewall)192.168.1.a--->(squid/proxy)192.168.1.b--->( > firewall)192.168.1.a > > Thanks in advance, > -Patrick > > >