PPTP Client Installation

Fedora/Red Hat/CentOS PPTP Client Installation Install the pptp client yum install pptp Debian/Ubuntu PPTP Client Installation Use the apt-get command apt-get install pptp-linux Configuring VPN credentials and server settings Edit the following file and enter your VPN username and password vi /etc/ppp/chap-secrets The syntax of the file is as follows DOMAIN\\username PPTP vpnpassword * For example to configure a user named jesin on example.com with pass1 as the password enter EXAMPLE\\jesin PPTP pass1 * If your VPN network doesnt come under a domain replace DOMAIN with your VPNSERVER name. Next is to configure the VPN server settings. Create and edit a new file under the peers directory vi /etc/ppp/peers/vpnconnection1 Add content according to the syntax below pty "pptp vpn-server-hostname-or-ip-address --nolaunchpppd" name DOMAIN\\username remotename PPTP require-mppe-128 file /etc/ppp/options.pptp ipparam vpnconnection1 Here DOMAIN\\username is the same as the one entered in the chap-secrets file. The ipparam should contain the name of the newly created file, in this case it is vpnconnection1 Adding a route to the routing table All traffic for the VPN network should pass through the VPN interface so an entry has to be added to the routing table. To automatically add an entry whenever a VPN connection is established create and edit the following file vi /etc/ppp/ip-up.d/vpn1-route Add the following content #!/bin/bash route add -net 10.0.0.0/8 dev ppp0 Make the file executable chmod +x /etc/ppp/ip-up.d/vpn1-route Testing the connection To connect using the newly created VPN connection use the following command pppd call vpnconnection1 Take a peek into the messages log file using the following command tail -f /var/log/messages you should see something similar to this Nov 27 13:46:20 server1 kernel: [ 800.071028] PPP generic driver version 2.4.2 Nov 27 13:46:20 server1 pppd[1083]: pppd 2.4.5 started by root, uid 0 Nov 27 13:46:20 server1 pppd[1083]: Using interface ppp0 Nov 27 13:46:20 server1 pppd[1083]: Connect: ppp0 /dev/pts/0 Nov 27 13:46:25 server1 pppd[1083]: CHAP authentication succeeded Nov 27 13:46:25 server1 kernel: [ 804.683790] padlock: VIA PadLock Hash Engine not detected. Nov 27 13:46:25 server1 kernel: [ 804.687408] PPP MPPE Compression module registered Nov 27 13:46:25 server1 pppd[1083]: MPPE 128-bit stateless compression enabled Nov 27 13:46:26 server1 pppd[1083]: local IP address 10.0.0.11 Nov 27 13:46:26 server1 pppd[1083]: remote IP address 10.0.0.12 Try pinging a system in the VPN network and you should get proper replies. Disconnecting the connection To disconnect the PPTP VPN connection use the killall command killall pppd