11 lines
514 B
Bash
11 lines
514 B
Bash
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#!/bin/bash
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/usr/sbin/iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 25 -j DNAT --to-destination 10.47.3.1:25
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/usr/sbin/iptables -A FORWARD -p tcp -d 10.47.3.1/31 --dport 25 -j ACCEPT
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/usr/sbin/iptables -t nat -A PREROUTING -p tcp -i eth0 --dport 587 -j DNAT --to-destination 10.47.3.1:587
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/usr/sbin/iptables -A FORWARD -p tcp -d 10.47.3.1/31 --dport 587 -j ACCEPT
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/usr/sbin/iptables -A FORWARD -m state --state ESTABLISHED,RELATED -j ACCEPT
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/usr/sbin/iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
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