PPTP VPN

安裝 PPTPD

#> wget http://poptop.sourceforge.net/yum/stable/rhel5/i386/pptpd-1.4.0-1.rhel5.i386.rpm
#> rpm -ivh pptpd-1.4.0-1.rhel5.i386.rpm

#> echo "localip 10.9.9.1" >> /etc/pptpd.conf
#> echo "remoteip 10.9.9.10-16" >> /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

#> service pptpd restart

設定 IP 轉送

#> vi /etc/sysctl.conf

net.ipv4.ip_forward = 1

#> sysctl -p

#> iptables --flush POSTROUTING --table nat
#> iptables --flush FORWARD
#> iptables -A INPUT -p tcp -m tcp --dport 1723 -j ACCEPT
#> iptables -A INPUT -p gre -j ACCEPT
#> iptables -t nat -A POSTROUTING -s 10.9.9.0/24 -o eth0 -j MASQUERADE

設定完成

參考連結

• http://www.vixual.net/blog/archives/32
• https://www.digitalocean.com/communi...-vpn-with-pptp