CentOS 6、7下pptp vpn一键安装脚本,安装如下:
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wget http://mirrors.linuxeye.com/scripts/vpn_centos.sh
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chmod +x ./vpn_centos.sh
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./vpn_centos.sh
脚本内容如下(vpn_centos.sh):
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#!/bin/bash
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#
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# Author: yeho <lj2007331 AT gmail.com>
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# Blog: //linuxeye.com
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#
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# Installs a PPTP VPN-only system for CentOS
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# Check if user is root
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[ $(id -u) != "0" ] && { echo -e "\033[31mError: You must be root to run this script\033[0m"; exit 1; }
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export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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clear
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printf "
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#######################################################################
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# LNMP/LAMP/LANMP for CentOS/RadHat 5+ Debian 6+ and Ubuntu 12+ #
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# Installs a PPTP VPN-only system for CentOS #
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# For more information please visit //linuxeye.com/31.html #
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#######################################################################
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"
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[ ! -e '/usr/bin/curl' ] && yum -y install curl
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VPN_IP=`curl ipv4.icanhazip.com`
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VPN_USER="linuxeye"
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VPN_PASS="linuxeye"
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VPN_LOCAL="192.168.0.150"
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VPN_REMOTE="192.168.0.151-200"
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while :; do echo
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read -p "Please input username: " VPN_USER
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[ -n "$VPN_USER" ] && break
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done
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while :; do echo
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read -p "Please input password: " VPN_PASS
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[ -n "$VPN_PASS" ] && break
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done
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clear
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if [ -f /etc/redhat-release -a -n "`grep ' 7\.' /etc/redhat-release`" ];then
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#CentOS_REL=7
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if [ ! -e /etc/yum.repos.d/epel.repo ];then
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cat > /etc/yum.repos.d/epel.repo << EOF
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[epel]
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name=Extra Packages for Enterprise Linux 7 – \$basearch
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#baseurl=http://download.fedoraproject.org/pub/epel/7/\$basearch
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mirrorlist=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=\$basearch
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failovermethod=priority
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enabled=1
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gpgcheck=0
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EOF
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fi
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for Package in wget make openssl gcc-c++ ppp pptpd iptables iptables-services
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do
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yum -y install $Package
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done
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echo 'net.ipv4.ip_forward = 1' >> /etc/sysctl.conf
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elif [ -f /etc/redhat-release -a -n "`grep ' 6\.' /etc/redhat-release`" ];then
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#CentOS_REL=6
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for Package in wget make openssl gcc-c++ iptables ppp
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do
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yum -y install $Package
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done
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sed -i 's@net.ipv4.ip_forward.*@net.ipv4.ip_forward = 1@g' /etc/sysctl.conf
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rpm -Uvh http://poptop.sourceforge.net/yum/stable/rhel6/pptp-release-current.noarch.rpm
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yum -y install pptpd
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else
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echo -e "\033[31mDoes not support this OS, Please contact the author! \033[0m"
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exit 1
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fi
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echo "1" > /proc/sys/net/ipv4/ip_forward
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sysctl -p /etc/sysctl.conf
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[ -z "`grep '^localip' /etc/pptpd.conf`" ] && echo "localip $VPN_LOCAL" >> /etc/pptpd.conf # Local IP address of your VPN server
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[ -z "`grep '^remoteip' /etc/pptpd.conf`" ] && echo "remoteip $VPN_REMOTE" >> /etc/pptpd.conf # Scope for your home network
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if [ -z "`grep '^ms-dns' /etc/ppp/options.pptpd`" ];then
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cat >> /etc/ppp/options.pptpd << EOF
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ms-dns 223.5.5.5 # Aliyun DNS Primary
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ms-dns 114.114.114.114 # 114 DNS Primary
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ms-dns 8.8.8.8 # Google DNS Primary
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ms-dns 209.244.0.3 # Level3 Primary
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ms-dns 208.67.222.222 # OpenDNS Primary
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EOF
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fi
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echo "$VPN_USER pptpd $VPN_PASS *" >> /etc/ppp/chap-secrets
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ETH=`route | grep default | awk '{print $NF}'`
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[ -z "`grep '1723 -j ACCEPT' /etc/sysconfig/iptables`" ] && iptables -I INPUT 4 -p tcp -m state –state NEW -m tcp –dport 1723 -j ACCEPT
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[ -z "`grep 'gre -j ACCEPT' /etc/sysconfig/iptables`" ] && iptables -I INPUT 5 -p gre -j ACCEPT
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iptables -t nat -A POSTROUTING -o $ETH -j MASQUERADE
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iptables -I FORWARD -p tcp –syn -i ppp+ -j TCPMSS –set-mss 1356
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service iptables save
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sed -i 's@^-A INPUT -j REJECT –reject-with icmp-host-prohibited@#-A INPUT -j REJECT –reject-with icmp-host-prohibited@' /etc/sysconfig/iptables
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sed -i 's@^-A FORWARD -j REJECT –reject-with icmp-host-prohibited@#-A FORWARD -j REJECT –reject-with icmp-host-prohibited@' /etc/sysconfig/iptables
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service iptables restart
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chkconfig iptables on
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service pptpd restart
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chkconfig pptpd on
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clear
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echo -e "You can now connect to your VPN via your external IP \033[32m${VPN_IP}\033[0m"
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echo -e "Username: \033[32m${VPN_USER}\033[0m"
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echo -e "Password: \033[32m${VPN_PASS}\033[0m"
内容转自: https://linuxeye.com/
参考:https://github.com/drewsymo/VPN