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Update openvpn-install.sh

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#417 done
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Tony Outis 2022-09-14 02:56:21 +03:00 committed by GitHub
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1 changed files with 42 additions and 11 deletions
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53
openvpn-install.sh
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@ -957,39 +957,70 @@ verb 3" >>/etc/openvpn/server.conf
installUnbound
fi
# Add iptables rules in two scripts
mkdir -p /etc/iptables
if pgrep firewalld; then
IP=$(hostname -I | awk '{print $1}')
echo "#!/bin/sh
# Allow incoming traffic
firewall-cmd --zone=public --add-port=$PORT/$PROTOCOL
firewall-cmd --permanent --zone=public --add-port=$PORT/$PROTOCOL
# Script to add rules
echo "#!/bin/sh
# Add trusted zone
firewall-cmd --zone=trusted --add-source=10.8.0.0/24
firewall-cmd --permanent --zone=trusted --add-source=10.8.0.0/24
# Set NAT for the VPN subnet
firewall-cmd --direct --add-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP
firewall-cmd --permanent --direct --add-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP" >/etc/iptables/add-openvpn-rules.sh
echo "#!/bin/sh
# Remove firewall rules
firewall-cmd --zone=public --remove-port=$PORT/$PROTOCOL
firewall-cmd --permanent --zone=public --remove-port=$PORT/$PROTOCOL
# remove trusted zone
firewall-cmd --zone=trusted --remove-source=10.8.0.0/24
firewall-cmd --permanent --zone=trusted --remove-source=10.8.0.0/24
# Remove NAT for the VPN subnet
firewall-cmd --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP
firewall-cmd --permanent --direct --remove-rule ipv4 nat POSTROUTING 0 -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP" >/etc/iptables/rm-openvpn-rules.sh
else
# Add iptables rules in two scripts
mkdir -p /etc/iptables
# Script to add rules
echo "#!/bin/sh
iptables -t nat -I POSTROUTING 1 -s 10.8.0.0/24 -o $NIC -j MASQUERADE
iptables -I INPUT 1 -i tun0 -j ACCEPT
iptables -I FORWARD 1 -i $NIC -o tun0 -j ACCEPT
iptables -I FORWARD 1 -i tun0 -o $NIC -j ACCEPT
iptables -I INPUT 1 -i $NIC -p $PROTOCOL --dport $PORT -j ACCEPT" >/etc/iptables/add-openvpn-rules.sh
if [[ $IPV6_SUPPORT == 'y' ]]; then
echo "ip6tables -t nat -I POSTROUTING 1 -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
if [[ $IPV6_SUPPORT == 'y' ]]; then
echo "ip6tables -t nat -I POSTROUTING 1 -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
ip6tables -I INPUT 1 -i tun0 -j ACCEPT
ip6tables -I FORWARD 1 -i $NIC -o tun0 -j ACCEPT
ip6tables -I FORWARD 1 -i tun0 -o $NIC -j ACCEPT
ip6tables -I INPUT 1 -i $NIC -p $PROTOCOL --dport $PORT -j ACCEPT" >>/etc/iptables/add-openvpn-rules.sh
fi
fi
# Script to remove rules
echo "#!/bin/sh
# Script to remove rules
echo "#!/bin/sh
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 $NIC -o tun0 -j ACCEPT
iptables -D FORWARD -i tun0 -o $NIC -j ACCEPT
iptables -D INPUT -i $NIC -p $PROTOCOL --dport $PORT -j ACCEPT" >/etc/iptables/rm-openvpn-rules.sh
if [[ $IPV6_SUPPORT == 'y' ]]; then
echo "ip6tables -t nat -D POSTROUTING -s fd42:42:42:42::/112 -o $NIC -j MASQUERADE
if [[ $IPV6_SUPPORT == 'y' ]]; then
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 $NIC -o tun0 -j ACCEPT
ip6tables -D FORWARD -i tun0 -o $NIC -j ACCEPT
ip6tables -D INPUT -i $NIC -p $PROTOCOL --dport $PORT -j ACCEPT" >>/etc/iptables/rm-openvpn-rules.sh
fi
fi
chmod +x /etc/iptables/add-openvpn-rules.sh