hello!! i need help with iptables and proxy squid... i have a linux-proxy for tests and it is connected in the internal net (LAN), but i need that this squid pass through a win2000 proxy that is hearing in port 80 for all request....(view the picture) computers ----->squid-linux(hear port 3128)---->win2000-proxy(hear port 80)----->internet (https-DNS) mi problem is that apparently the DNS petitions (port 53) not arrives at the DNS server. how i must setup IPTABLES for redirect this packets DNS (TCP and UDP) at the win2000 proxy??? or i must setup SQUID for this??? or i must instal a BIND DNS in my Linux box?? any help will be welcome... thanks PD: sorry for my english.... i dont speak english very well..