之前有折腾过CentOS 6、7下IPSEC/L2TP VPN一键安装脚本，但是不稳定、不支持IOS，因此换成pptp，并编写一个shell脚本，这个脚本可以单独使用，直接复制或下载执行即可，不用依赖安装包的其它脚本，完成CentOS 6、7下pptpd vpn一键安装脚本，安装如下：

Bare Bones (PPTP) VPN Installer for CentOS6、CentOS7

Installation

To get started with your own secure VPN, simply execute the following commands at your servers command-line:

yum -y install git
cd /root && git clone https://github.com/MonsterWang/VpnForCentos67.git
cd /root/VpnForCentos67/ && bash vpn_centos67.sh 

Statement

This script by other scripts to modify,The original script address is https://github.com/drewsymo/VPN