I tried port scanning the linux box. Port 80 responded as Squid. The PREROUTING line in my iptables showed traffic. This might be a stupid question, but how do you set up the client to use the linux box as a gateway/firewall/cache server? I have the linux box set as the default gateway/DNS server on the client machine (along with the real DNS server) > > I am trying to install Linux as a firewall and > caching > > server with iptables and Linux. I > > need to do this transparently. > > > > I installed Red Hat Linux 9. Ran all of the > updates > > nice and smooth. Turned on ip forwarding. > > Configured Squid...and tested it by specifying the > > servers ip address and port 3128 from the > > browser. Works great. Here the options I had > changed > > in the config file. __________________________________ Do you Yahoo!? New Yahoo! Photos - easier uploading and sharing. http://photos.yahoo.com/