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Data Networking/Spring 2015/GROUP4/VPN

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CONFIGURATION AT THE VPN SERVER

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1.Install pptpd and ufw 

sudo apt-get install pptpd ufw

2.open the ports needed.The guide suggest 22 ssh and 1723 for pptpvpn 

 sudo ufw allow 22
 sudo ufw allow 1723
 sudo ufw enable

3.edit /etc/ppp/pptpd.conf 

 local IP 192.168.5.6
 Remote IP 192.168.5.15-70

4. edit /etc/ppp/chap-secrets 

  [username] [service] [password] [Allowed IP Address]

5.Restart pptpd,To run this command 

 sudo /etc/init.d/pptpd restart

6.edit /etc/sysctl.conf uncomment the following for enabling IP forwarding 

  /etc/sysctl.conf:net.ipv4.ip_forward=1

To reload configuration: 

  sudo syctl -p

CONFIGURATION AT VPN CLIENT

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1.Install PPTP in client machine 

 sudo apt-get install pptp

2.Add required Kernel module 

 modprobe ppp_mppe

3.Now open the peers file and add the following commands. 

 sudo nano /etc/ppp/peers/pptserver

4.call the pptpd server using this command .Establish connection between pptpd server and client 

  pppd call pptpserver

5.Now open the syslog file in which we can see successful connection from PPTP server 

  tail -f /var/log/syslog
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