Configure PPTP VPN Server

1. Install ppp

yum install ppp

2. Download pptpd rpm

wget http://poptop.sourceforge.net/yum/stable/packages/pptpd-1.3.4-2.el6.i686.rpm

3. Set the local and remote ip in /etc/pptpd.conf

vi /etc/pptpd.conf

localip <local ip address of server>

remoteip < range of ip addresses to be assigned to users, eg. 192.168.100.1 - 254>

4. Set the authentication mode, encryption and DNS settings to /etc/ppp/options.pptpd

vi /etc/ppp/options.pptpd

require-mschap-v2

require-mppe-128

ms-dns

5. Create user accounts in /etc/ppp/chap-secrets

vi /etc/ppp/chap-secrets

pptpd

6. Enable ip forwarding

vi /etc/syscctl.conf

net.ipv4.ip_forward = 1

7. Apply changes

sysctl -p

8. Configure Nat in iptables

iptables -t nat -A POSTROUTING  -o eth0 -j MASQUERADE

9. Restart iptables

service iptables save

service iptables restart

10.  Start pptpd and set to auto start on reboots

chkconfig pptpd on

service pttpd start