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Adds an option to enable internal networking on VPN

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vik_y 2016-09-09 21:08:50 +05:30
parent b6f0c42b5b
commit cfe1758b0b
1 changed files with 11 additions and 2 deletions
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13
openvpn-install.sh
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@ -193,6 +193,9 @@ else
echo " 6) Verisign"
read -p "DNS [1-6]: " -e -i 1 DNS
echo ""
echo "Do you want to enable internal networking between the hosts connected to your VPN?"
read -p "Yes(y)/No(n):" -e -i n NATOPTION
echo ""
echo "Finally, tell me your name for the client cert"
echo "Please, use one word only, no special characters"
read -p "Client name: " -e -i client CLIENT
@ -293,8 +296,14 @@ crl-verify crl.pem" >> /etc/openvpn/server.conf
# Avoid an unneeded reboot
echo 1 > /proc/sys/net/ipv4/ip_forward
# Set NAT for the VPN subnet
iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -j SNAT --to $IP
sed -i "1 a\iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -j SNAT --to $IP" $RCLOCAL
if [[ "$NATOPTION" == 'y' ]];then
# Allows internal networking amongst hosts connected to the VPN.
iptables -t nat -A POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP
sed -i "1 a\iptables -t nat -A POSTROUTING -s 10.8.0.0/24 ! -d 10.8.0.0/24 -j SNAT --to $IP" $RCLOCAL
else
iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -j SNAT --to $IP
sed -i "1 a\iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -j SNAT --to $IP" $RCLOCAL
fi
if pgrep firewalld; then
# We don't use --add-service=openvpn because that would only work with
# the default port. Using both permanent and not permanent rules to