Hello!
It has been a week since I´m trying to make this work.... But I simple cant make it...
I want to make some windows boxes to navigate throught squid with transparent proxy, I tryied a lot of things and nothing works..
 
Here´s my Squid.conf
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http_port 3128
httpd_accel_host virtual
httpd_accel_port 3128 (tried port 80 too)
httpd_accel_with_proxy on
httpd_accel_uses_host_header on
 
Iptables rule that I´m using
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echo 1 > /proc/sys/net/ipv4/ip_forward
iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 3128
 
I´ve also tried Transproxy and didn´t work too
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tproxy -s 80 -r nobody 192.168.0.100 3128
 
The boxes navigates throught ports 80 and 3128, but when I take off proxy configuration from connection tab in IE, it takes a long time to respond and terminates with a 404 error (IE error, not the squid page error).
 
It appears to me that the proxy and port redirection are working, but the windows boxes can´t use the proxy without the proxy configuration on connection tab in IE
 
Ps. Sorry for the poor English.. I´m Brazilian
 
Hope someone can help me! ;(