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#!/bin/bash
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printf "\n################## Setup firewall ##################\n"
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# Make ip forwading and make it persistent
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echo 1 > "/proc/sys/net/ipv4/ip_forward"
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echo "net.ipv4.ip_forward = 1" >> "/etc/sysctl.conf"
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# Iptable rules
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iptables -I FORWARD -i $VPN_DEV -j ACCEPT
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iptables -I FORWARD -o $VPN_DEV -j ACCEPT
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iptables -I OUTPUT -o $VPN_DEV -j ACCEPT
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iptables -A FORWARD -i $VPN_DEV -o $VPN_IF -j ACCEPT
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iptables -t nat -A POSTROUTING -o $VPN_IF -j MASQUERADE
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iptables -t nat -A POSTROUTING -s $VPN_NET -o $VPN_IF -j MASQUERADE
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