transparent squid

[divyashree]

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I want to configure transparent squid and dhcp on RHEL5.3 How will I do it ? need details(step by step ) DHCP configured properly and it's assigning IP. But in squid I am unable to configure transparent.

[sanuu]

It applies for Squid 3

#vi /etc/squid.conf

search and locate http_port

http_port 3128 transparent

save and restart squid.

iptables -t nat -A PREROUTING -i ethx(wan interface) -p tcp --dport 80 -j DNAT --to wan_ip:3128
iptables -t nat -A PREROUTING -i ethx(lan interface) -p tcp --dport 80 -j REDIRECT --to-port 3128

#service iptables save

#service iptables restart