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28 lines
841 B
Bash
28 lines
841 B
Bash
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#!/bin/bash
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# Clear config
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iptables -t nat -F
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iptables -t mangle -F
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iptables -F
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iptables -X
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echo 1 > /proc/sys/net/ipv4/ip_forward
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PORTS_TO_FORWARD_TCP="25 80 110 143 443 465 587 993 995 2224 3478 8008 8448 27015 64738"
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PORTS_TO_FORWARD_UDP="34197 64738"
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DESTINATION_IP="212.83.165.111"
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#DESTINATION_IP="5.9.66.49"
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for port in `echo $PORTS_TO_FORWARD_TCP`
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do
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iptables -t nat -A PREROUTING -p tcp -m tcp --dport ${port} -j DNAT --to-destination ${DESTINATION_IP}
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iptables -A FORWARD -d ${DESTINATION_IP}/32 -p tcp -m tcp --dport ${port} -j ACCEPT
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done
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for port in `echo $PORTS_TO_FORWARD_UDP`
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do
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iptables -t nat -A PREROUTING -p udp -m udp --dport ${port} -j DNAT --to-destination ${DESTINATION_IP}
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iptables -A FORWARD -d ${DESTINATION_IP}/32 -p tcp -m tcp --dport ${port} -j ACCEPT
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done
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iptables -t nat -A POSTROUTING -j MASQUERADE
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