8/7/2019 Script iptables Force Squid Transparent

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# 1 for switch ipv4 to ip_forward

echo 1 > /proc/sys/net/ipv4/ip_forward

# Erase all exist NAT tables

iptables -t nat -F

# force forward output to eth1(wan) for 2 Lan Card Only

iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE

# Change input from eth0 (Lan) if port 80 -> port 8080 (squid port)

iptables -t nat -A PREROUTING -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080

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