CentOS 5下快速搭建PPTP VPN服务器

1.下载软件
[html]wget http://poptop.sourceforge.net/yum/stable/packages/pptpd-1.3.4-2.rhel5.i386.rpm
wget http://poptop.sourceforge.net/yum/stable/packages/ppp-2.4.4-14.1.rhel5.i386.rpm
wget http://poptop.sourceforge.net/yum/stable/packages/ppp-devel-2.4.4-14.1.rhel5.i386.rpm[/html]

安装rpm -ivh *.rpm
2.设置
1./opt/pptpd.conf主文件
[html]option /etc/ppp/options.pptpd
debug
bcrelay eth1
localip 172.16.1.1-10
remoteip 172.16.1.100-200[/html]
2./etc/ppp/options.pptpd选项
[html]name pptpd
refuse-pap
refuse-chap
refuse-mschap
require-mschap-v2
require-mppe-128
ms-dns 208.67.220.220
ms-dns 8.8.8.8
ms-dns 208.67.222.222
proxyarp
debug
lock
nobsdcomp
novj
novjccomp
nologfd
lcp-max-configure 100[/html]
3./etc/ppp/chap-secrets 用户名和密码
[html]user1 pptpd password *[/html]
4.iptables设置
开启ip转发
修改/etc/sysctl.conf为如下值
[html]net.ipv4.ip_forward = 1[/html]
设置nat
[html]/sbin/iptables -t nat -A POSTROUTING -s 172.16.1.0/24 -j SNAT –to-source 公网IP[/html]
3.系统日志中/var/log/messages如果出现
[html]pppd is unable to open the /dev/ppp device[/html]
4.执行如下命令即可
[html]mknod /dev/ppp c 108 0[/html]