#!/bin/bash PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin:~/bin export PATH #=================================================================== # SYSTEM REQUIRED: CentOS 6 (32bit/64bit) # DESCRIPTION: Auto install pptpd for CentOS 6 # Author: Teddysun #=================================================================== if [[ $EUID -ne 0 ]]; then echo "Error:This script must be run as root!" exit 1 fi if [[ ! -e /dev/net/tun ]]; then echo "TUN/TAP is not available!" exit 1 fi cur_dir=`pwd` clear echo "" echo "#############################################################" echo "# Auto Install PPTP for CentOS 6 #" echo "# System Required: CentOS 6(32bit/64bit) #" echo "# Intro: http://teddysun.com/134.html #" echo "# Author: Teddysun #" echo "#############################################################" echo "" # Remove installed pptpd & ppp yum remove -y pptpd ppp iptables --flush POSTROUTING --table nat iptables --flush FORWARD rm -f /etc/pptpd.conf rm -rf /etc/ppp arch=`uname -m` IP=`ip addr | egrep -o '[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}' | egrep -v "^192\.168|^172\.1[6-9]\.|^172\.2[0-9]\.|^172\.3[0-2]\.|^10\.|^127\.|^255\." | head -n 1` # Download pptpd if [ -s pptpd-1.4.0-3.el6.$arch.rpm ]; then echo "pptpd-1.4.0-3.el6.$arch.rpm [found]" else echo "pptpd-1.4.0-3.el6.$arch.rpm not found! download now......" if ! wget http://lamp.teddysun.com/files/pptpd-1.4.0-3.el6.$arch.rpm; then echo "Failed to download pptpd-1.4.0-3.el6.$arch.rpm, please download it to $cur_dir directory manually and retry." exit 1 fi fi # Install some necessary tools yum -y install net-tools make libpcap iptables gcc-c++ logrotate tar cpio perl pam tcp_wrappers dkms ppp rpm -ivh pptpd-1.4.0-3.el6.$arch.rpm rm -f /dev/ppp mknod /dev/ppp c 108 0 echo 1 > /proc/sys/net/ipv4/ip_forward echo "mknod /dev/ppp c 108 0" >> /etc/rc.local echo "echo 1 > /proc/sys/net/ipv4/ip_forward" >> /etc/rc.local echo "localip 192.168.8.1" >> /etc/pptpd.conf echo "remoteip 192.168.8.2-254" >> /etc/pptpd.conf echo "ms-dns 8.8.8.8" >> /etc/ppp/options.pptpd echo "ms-dns 8.8.4.4" >> /etc/ppp/options.pptpd pass=`openssl rand 6 -base64` if [ "$1" != "" ] then pass=$1 fi echo "vpn pptpd ${pass} *" >> /etc/ppp/chap-secrets iptables -t nat -A POSTROUTING -s 192.168.8.0/24 -j SNAT --to-source ${IP} iptables -A FORWARD -p tcp --syn -s 192.168.8.0/24 -j TCPMSS --set-mss 1356 service iptables save chkconfig --add pptpd chkconfig pptpd on service iptables restart service pptpd start echo echo "PPTP VPN service is installed." echo "ServerIP:${IP}" echo "Username:vpn" echo "Password:${pass}" echo "Welcome to visit: https://teddysun.com/134.html" echo exit 0