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CentOS 6、7下pptp vpn搭建一键安装脚本安装教程

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CentOS 6、7下pptp vpn一键安装脚本,安装如下:


  1. wget https://liaoweilin.com/down/2018/vpn_centos.sh

  2. chmod +x ./vpn_centos.sh

  3. ./vpn_centos.sh


(vpn_centos.sh)具体脚本内容如下:


[ $(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://liaoweilin.com #

#######################################################################

"


[ ! -e '/usr/bin/curl' ] && yum -y install curl


VPN_IP=`curl ipv4.icanhazip.com`


VPN_USER="liaoweilin"

VPN_PASS="liaoweilin"


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"


参考:https://github.com/drewsymo/VPN

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