PPTP VPN Setup – Xen CentOS 5

Note: This tutorial is based on the YardVPS Xen (Tree plan) using CentOS 5

Please select CentOS 5 32bit as your OS when you purchase your YardVPS or rebuild the VPS via SolusVM.

First install the PPTPD VPN and it's dependencies and then update your OS.

yum install ppp iptables vim-enhanced -y

rpm –Uvh http://acelnmp.googlecode.com/files/pptpd-1.3.4-1.rhel5.1.i386.rpm

yum update

Edit the following files with vim or whichever editors you prefer.

/etc/ppp/options.pptpd

add a line:

ms-dns 8.8.8.8

/etc/pptpd.conf

add two lines at the bottom of the file.

localip 192.168.216.1

remoteip 192.168.216.2-100

/etc/ppp/chap-secrets

add your vpn clients in this file with this format:

username PPTPD password *

or

username PPTPD password  [specified ip address which is in the range of 2-100, the range should be conformed to what’s at the bottom of /etc/pptpd.conf, see above ]

/etc/sysctl.conf

modify:

net.ipv4.ip_forward  =  1

Issue the following command:

sysctl –p

iptables -t nat -A POSTROUTING -s 192.168.216.0/24 -o eth0 -j MASQUERADE

/etc/init.d/iptables save

/etc/init.d/pptpd start

chkconfig pptpd on

chkconfig iptables on

Setup PPTPD VPN on Windows client

Enter your VPS IP here:

Enter the username and password in /etc/ppp/chap-secrets

Connect to your PPTP VPN and Cheers!