One click installation of L2TP server in Linux system

./l2tp.sh //Execute installation script

Please enter IP-Range:         //config l2tp subnet
(Default Range: 192.168.18):
Please enter PSK:              //config PSK
(Default PSK: teddysun.com):
Please enter Username:
(Default Username: teddysun):  //config default username
Please enter teddysun's password:
(Default Password: 3hV8T4Bwb4):

###############################################################
# L2TP VPN Auto Installer                                     #
# System Supported: CentOS 6+ / Debian 7+ / Ubuntu 12+        #
# Intro: https://teddysun.com/448.html                        #
# Author: Teddysun                            #
###############################################################
If there is no [FAILED] above, you can connect to your L2TP 
VPN Server with the default Username/Password is below:

Server IP: 45.136.15.xxx
PSK      : teddysun.com
Username : teddysun
Password : 3hV8T4Bwb4

If you want to modify user settings, please use below command(s):
l2tp -a (Add a user)
l2tp -d (Delete a user)
l2tp -l (List all users)
l2tp -m (Modify a user password)

Welcome to visit our website: https://teddysun.com/448.html

//Export iptables config
sudo sh -c "iptables-save > /etc/network/iptables.up.rules"



//Cofig ipatables
sudo vi /etc/network/iptables.up.rules



// Config NAT Outside IP

-A POSTROUTING -s 192.168.18.0/24 -j SNAT --to-source ethernet-interface-ip



//Applly
sudo iptables-apply