Created
March 18, 2018 19:14
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iptables rules for redirecting traffic from router to squid server
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| INTERNAL_NETWORK=192.168.1.0/24 | |
| LAN=br-lan | |
| LANIP=192.168.1.1 | |
| SQUIDIP=192.168.1.10 | |
| SQUIDPORT=3128 | |
| iptables -t nat -A prerouting_rule -i $LAN ! -s $SQUIDIP -p tcp --dport 80 -j DNAT --to $SQUIDIP:$SQUIDPORT | |
| iptables -t nat -A postrouting_rule -o $LAN -s $INTERNAL_NETWORK -d $SQUIDIP -j SNAT --to $LANIP | |
| iptables -A forwarding_rule -s $INTERNAL_NETWORK -d $SQUIDIP -i $LAN -o $LAN -p tcp --dport $SQUIDPORT -j ACCEPT | |
| INTERNAL_NETWORK=192.168.1.0/24 ;LAN=br-lan ;LANIP=192.168.1.1 ;SQUIDIP=192.168.1.10 ;SQUIDPORT=3128 ;iptables -t nat -A prerouting_rule -i $LAN ! -s $SQUIDIP -p tcp --dport 80 -j DNAT --to $SQUIDIP:$SQUIDPORT ;iptables -t nat -A postrouting_rule -o $LAN -s $INTERNAL_NETWORK -d $SQUIDIP -j SNAT --to $LANIP ;iptables -A forwarding_rule -s $INTERNAL_NETWORK -d $SQUIDIP -i $LAN -o $LAN -p tcp --dport $SQUIDPORT -j ACCEPT | |
| INTERNAL_NETWORK=192.168.1.0/24 ;LAN=br-lan ;LANIP=192.168.1.0/24 ;SQUIDIP=192.168.1.10 ;SQUIDPORT=3128 ;iptables -t nat -A prerouting_rule -i $LAN !-s $SQUIDIP -p tcp --dport 80 -j DNAT --to $SQUIDIP:$SQUIDPORT ;iptables -t nat -A postrouting_rule -o $LAN -s $INTERNAL_NETWORK -d $SQUIDIP -j SNAT --to $LANIP ;iptables -A forwarding_rule -s $INTERNAL_NETWORK -d $SQUIDIP -i $LAN -o $LAN -p tcp --dport $SQUIDPORT -j ACCEPT |
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