Created
September 4, 2015 13:17
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#!/bin/bash | |
function installVPN(){ | |
echo "begin to install VPN services"; | |
#check wether vps suppot ppp and tun | |
yum remove -y pptpd ppp | |
iptables --flush POSTROUTING --table nat | |
iptables --flush FORWARD | |
rm -rf /etc/pptpd.conf | |
rm -rf /etc/ppp | |
arch=`uname -m` | |
wget http://www.hi-vps.com/downloads/dkms-2.0.17.5-1.noarch.rpm | |
wget http://wty.name/linux/sources/kernel_ppp_mppe-1.0.2-3dkms.noarch.rpm | |
wget http://www.hi-vps.com/downloads/kernel_ppp_mppe-1.0.2-3dkms.noarch.rpm | |
wget http://www.hi-vps.com/downloads/pptpd-1.3.4-2.el6.$arch.rpm | |
wget http://www.hi-vps.com/downloads/ppp-2.4.5-17.0.rhel6.$arch.rpm | |
yum -y install make libpcap iptables gcc-c++ logrotate tar cpio perl pam tcp_wrappers | |
rpm -ivh dkms-2.0.17.5-1.noarch.rpm | |
rpm -ivh kernel_ppp_mppe-1.0.2-3dkms.noarch.rpm | |
rpm -qa kernel_ppp_mppe | |
rpm -Uvh ppp-2.4.5-17.0.rhel6.$arch.rpm | |
rpm -ivh pptpd-1.3.4-2.el6.$arch.rpm | |
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 172.16.36.1" >> /etc/pptpd.conf | |
echo "remoteip 172.16.36.2-254" >> /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 172.16.36.0/24 -j SNAT --to-source `ifconfig | grep 'inet addr:'| grep -v '127.0.0.1' | cut -d: -f2 | awk 'NR==1 { print $1}'` | |
iptables -A FORWARD -p tcp --syn -s 172.16.36.0/24 -j TCPMSS --set-mss 1356 | |
service iptables save | |
chkconfig iptables on | |
chkconfig pptpd on | |
service iptables start | |
service pptpd start | |
echo "VPN service is installed, your VPN username is vpn, VPN password is ${pass}" | |
} | |
function repaireVPN(){ | |
echo "begin to repaire VPN"; | |
mknod /dev/ppp c 108 0 | |
service iptables restart | |
service pptpd start | |
} | |
function addVPNuser(){ | |
echo "input user name:" | |
read username | |
echo "input password:" | |
read userpassword | |
echo "${username} pptpd ${userpassword} *" >> /etc/ppp/chap-secrets | |
service iptables restart | |
service pptpd start | |
} | |
echo "which do you want to?input the number." | |
echo "1. install VPN service" | |
echo "2. repaire VPN service" | |
echo "3. add VPN user" | |
read num | |
case "$num" in | |
[1] ) (installVPN);; | |
[2] ) (repaireVPN);; | |
[3] ) (addVPNuser);; | |
*) echo "nothing,exit";; | |
esac |
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