安装方法

wget http://mirrors.linuxeye.com/scripts/vpn_centos.sh
chmod +x ./vpn_centos.sh
./vpn_centos.sh

原文地址

http://blog.csdn.net/zvall/article/details/52180338/

#!/bin/bash  
#  
# Author:  yeho <lj2007331 AT gmail.com>  
# Blog:  https://blog.linuxeye.com  
#  
# Installs a PPTP VPN-only system for CentOS  
  
# Check if user is root  
[ $(id -u) != "0" ] && { echo -e "\033[31mError: You must be root to run this script\033[0m"; exit 1; }   
  
export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin  
clear  
printf "  
#######################################################################  
#    LNMP/LAMP/LANMP for CentOS/RadHat 5+ Debian 6+ and Ubuntu 12+    #  
#            Installs a PPTP VPN-only system for CentOS               #  
# For more information please visit https://blog.linuxeye.com/31.html #  
#######################################################################  
"  
  
[ ! -e '/usr/bin/curl' ] && yum -y install curl  
  
VPN_IP=`curl ipv4.icanhazip.com`  
  
VPN_USER="linuxeye"  
VPN_PASS="linuxeye"  
  
VPN_LOCAL="192.168.0.150"  
VPN_REMOTE="192.168.0.151-200"  
  
  
while :; do echo  
    read -p "Please input username: " VPN_USER   
    [ -n "$VPN_USER" ] && break  
done  
  
while :; do echo  
    read -p "Please input password: " VPN_PASS  
    [ -n "$VPN_PASS" ] && break  
done  
clear  
  
  
if [ -f /etc/redhat-release -a -n "`grep ' 7\.' /etc/redhat-release`" ];then  
    #CentOS_REL=7  
    if [ ! -e /etc/yum.repos.d/epel.repo ];then  
        cat > /etc/yum.repos.d/epel.repo << EOF  
[epel]  
name=Extra Packages for Enterprise Linux 7 - \$basearch  
#baseurl=http://download.fedoraproject.org/pub/epel/7/\$basearch  
mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=\$basearch  
failovermethod=priority  
enabled=1  
gpgcheck=0  
EOF  
    fi  
    for Package in wget make openssl gcc-c++ ppp pptpd iptables iptables-services   
    do  
        yum -y install $Package  
    done  
    echo 'net.ipv4.ip_forward = 1' >> /etc/sysctl.conf  
elif [ -f /etc/redhat-release -a -n "`grep ' 6\.' /etc/redhat-release`" ];then  
    #CentOS_REL=6  
    for Package in wget make openssl gcc-c++ iptables ppp   
    do  
        yum -y install $Package  
    done  
    sed -i 's@net.ipv4.ip_forward.*@net.ipv4.ip_forward = 1@g' /etc/sysctl.conf  
    rpm -Uvh http://poptop.sourceforge.net/yum/stable/rhel6/pptp-release-current.noarch.rpm  
    yum -y install pptpd  
else  
    echo -e "\033[31mDoes not support this OS, Please contact the author! \033[0m"  
    exit 1  
fi  
  
echo "1" > /proc/sys/net/ipv4/ip_forward  
  
sysctl -p /etc/sysctl.conf  
  
[ -z "`grep '^localip' /etc/pptpd.conf`" ] && echo "localip $VPN_LOCAL" >> /etc/pptpd.conf # Local IP address of your VPN server  
[ -z "`grep '^remoteip' /etc/pptpd.conf`" ] && echo "remoteip $VPN_REMOTE" >> /etc/pptpd.conf # Scope for your home network  
[ -z "`grep '^stimeout' /etc/pptpd.conf`" ] && echo "stimeout 172800" >> /etc/pptpd.conf  
  
if [ -z "`grep '^ms-dns' /etc/ppp/options.pptpd`" ];then  
     cat >> /etc/ppp/options.pptpd << EOF  
ms-dns 223.5.5.5 # Aliyun DNS Primary  
ms-dns 114.114.114.114 # 114 DNS Primary  
ms-dns 8.8.8.8 # Google DNS Primary  
ms-dns 209.244.0.3 # Level3 Primary  
ms-dns 208.67.222.222 # OpenDNS Primary  
EOF  
fi  
  
echo "$VPN_USER pptpd $VPN_PASS *" >> /etc/ppp/chap-secrets  
  
ETH=`route | grep default | awk '{print $NF}'`  
[ -z "`grep '1723 -j ACCEPT' /etc/sysconfig/iptables`" ] && iptables -I INPUT 4 -p tcp -m state --state NEW -m tcp --dport 1723 -j ACCEPT  
[ -z "`grep 'gre -j ACCEPT' /etc/sysconfig/iptables`" ] && iptables -I INPUT 5 -p gre -j ACCEPT   
iptables -t nat -A POSTROUTING -o $ETH -j MASQUERADE  
iptables -I FORWARD -p tcp --syn -i ppp+ -j TCPMSS --set-mss 1356  
service iptables save  
sed -i 's@^-A INPUT -j REJECT --reject-with icmp-host-prohibited@#-A INPUT -j REJECT --reject-with icmp-host-prohibited@' /etc/sysconfig/iptables   
sed -i 's@^-A FORWARD -j REJECT --reject-with icmp-host-prohibited@#-A FORWARD -j REJECT --reject-with icmp-host-prohibited@' /etc/sysconfig/iptables   
service iptables restart  
chkconfig iptables on  
  
service pptpd restart  
chkconfig pptpd on  
clear  
  
echo -e "You can now connect to your VPN via your external IP \033[32m${VPN_IP}\033[0m"  
  
echo -e "Username: \033[32m${VPN_USER}\033[0m"  
echo -e "Password: \033[32m${VPN_PASS}\033[0m"  

最后更新于 2019-02-12 10:51:49 并被添加「自建代理 自建vpn 一键安装」标签，已有 781 位童鞋阅读过。

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