#安装yum源，及pptpd服务
rpm -Uvh http://poptop.sourceforge.net/yum/stable/rhel6/pptp-release-current.noarch.rpm
yum install -y ppp pptpd iptables
#编辑sysctl.conf文件，打开ip包转发
vi /etc/sysctl.conf
net.ipv4.ip_forward = 1
#保存设置
/sbin/sysctl -p
#设置pptpd
vi /etc/ppp/options.pptpd
name vps
refuse-pap
refuse-chap
refuse-mschap
require-mschap-v2
require-mppe-128
proxyarp
nobsdcomp
novj
novjccomp
nologfd
ms-dns 4.2.2.1
ms-dns 4.2.2.2
#设置pptpd
vi /etc/pptpd.conf
option /etc/ppp/options.pptpd
debug
logwtmp
localip 10.10.10.1
remoteip 10.10.10.2-254
#设置iptables
iptables -t nat -F
iptables -t nat -A POSTROUTING -o eth0 -s 10.10.10.0/24 -j MASQUERADE
iptables -t nat -L -n
service iptables save
#添加到开机启动
chkconfig --level 345 pptpd on
#启动vpn server
/etc/init.d/pptpd start
#添加vpn用户名密码
vpnuser username passwd