hi, i installed PPTP in my server ( centos 6 ) i used this tips http://blog.secaserver.com/2011/10/install-vpn-pptp-server-centos-6/ after adding new user to /etc/ppp/chap-secrets when i tried to connect this user in my computer ( windows 7 ) it connected but internet not working here is content the content of /var/log/messages where i connect from my pc how can i solve this problem ?