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Code Issues Releases Activity

Fix public interface in iptables rules

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This commit is contained in:
angristan 2018-09-18 12:37:07 +02:00
parent 974b80dbc1
commit d3974220ef
1 changed files with 16 additions and 16 deletions
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32
openvpn-install.sh
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@ -545,42 +545,42 @@ else
# Script to add rules
echo "#!/bin/sh
iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE
iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o $NIC -j MASQUERADE
iptables -A INPUT -i tun0 -j ACCEPT
iptables -A FORWARD -i eth0 -o tun0 -j ACCEPT
iptables -A FORWARD -i tun0 -o eth0 -j ACCEPT" > /etc/iptables/add-openvpn-rules.sh
iptables -A FORWARD -i $NIC -o tun0 -j ACCEPT
iptables -A FORWARD -i tun0 -o $NIC -j ACCEPT" > /etc/iptables/add-openvpn-rules.sh
if [[ "$PROTOCOL" = 'UDP' ]]; then
echo "iptables -A INPUT -i eth0 -p udp --dport $PORT -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
echo "iptables -A INPUT -i $NIC -p udp --dport $PORT -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
elif [[ "$PROTOCOL" = 'TCP' ]]; then
echo "iptables -A INPUT -i eth0 -p tcp --dport $PORT -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
echo "iptables -A INPUT -i $NIC -p tcp --dport $PORT -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
fi
if [[ "$IPV6" = 'y' ]]; then
echo "ip6tables -t nat -A POSTROUTING -s fd42:42:42:42::/112 -o eth0 -j MASQUERADE
echo "ip6tables -t nat -A POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
ip6tables -A INPUT -i tun0 -j ACCEPT
ip6tables -A FORWARD -i eth0 -o tun0 -j ACCEPT
ip6tables -A FORWARD -i tun0 -o eth0 -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
ip6tables -A FORWARD -i $NIC -o tun0 -j ACCEPT
ip6tables -A FORWARD -i tun0 -o $NIC -j ACCEPT" >> /etc/iptables/add-openvpn-rules.sh
fi
# Script to remove rules
echo "#!/bin/sh
iptables -t nat -D POSTROUTING -s 10.8.0.0/24 -o eth0 -j MASQUERADE
iptables -t nat -D POSTROUTING -s 10.8.0.0/24 -o $NIC -j MASQUERADE
iptables -D INPUT -i tun0 -j ACCEPT
iptables -D FORWARD -i eth0 -o tun0 -j ACCEPT
iptables -D FORWARD -i tun0 -o eth0 -j ACCEPT" > /etc/iptables/rm-openvpn-rules.sh
iptables -D FORWARD -i $NIC -o tun0 -j ACCEPT
iptables -D FORWARD -i tun0 -o $NIC -j ACCEPT" > /etc/iptables/rm-openvpn-rules.sh
if [[ "$PROTOCOL" = 'UDP' ]]; then
echo "iptables -D INPUT -i eth0 -p udp --dport $PORT -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
echo "iptables -D INPUT -i $NIC -p udp --dport $PORT -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
elif [[ "$PROTOCOL" = 'TCP' ]]; then
echo "iptables -D INPUT -i eth0 -p tcp --dport $PORT -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
echo "iptables -D INPUT -i $NIC -p tcp --dport $PORT -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
fi
if [[ "$IPV6" = 'y' ]]; then
echo "ip6tables -t nat -D POSTROUTING -s fd42:42:42:42::/112 -o eth0 -j MASQUERADE
echo "ip6tables -t nat -D POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
ip6tables -D INPUT -i tun0 -j ACCEPT
ip6tables -D FORWARD -i eth0 -o tun0 -j ACCEPT
ip6tables -D FORWARD -i tun0 -o eth0 -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
ip6tables -D FORWARD -i $NIC -o tun0 -j ACCEPT
ip6tables -D FORWARD -i tun0 -o $NIC -j ACCEPT" >> /etc/iptables/rm-openvpn-rules.sh
fi
chmod +x /etc/iptables/add-openvpn-rules.sh