Linux as a PPTP VPN Client - Configuration - CentOS,Fedora

• Install the required PPTP Packages.

# rpm -Uvh pptp-1.7.2-17.fc19.x86_64.rpm pptp-setup-1.7.2-17.fc19.x86_64.rpm

• Insert the username & password in /etc/ppp/chap-secrets

# vi /etc/ppp/chap-secrets

# Secrets for authentication using CHAP
# client server secret IP addresses
user1 PPTP password123 *

• Create VPN Profile

# vi /etc/ppp/peers/vpnoffice

pty "pptp myoffice1.dtdns.net --nolaunchpppd"
name user1
remotename PPTP
require-mppe-128
file /etc/ppp/options.pptp
ipparam vpnoffice

• Connect VPN using command pppd

# pppd call vpnoffice

• Trace the logs

# tail -f /var/log/messages

Aug 14 11:05:39 localhost pppd[7957]: CHAP authentication succeeded
Aug 14 11:05:39 localhost kernel: [69644.839818] PPP MPPE Compression module registered
Aug 14 11:05:39 localhost pppd[7957]: MPPE 128-bit stateless compression enabled
Aug 14 11:05:39 localhost pppd[7957]: local IP address 192.168.1.205
Aug 14 11:05:39 localhost pppd[7957]: remote IP address 192.168.1.1

• Add route to send all traffic through PPTP VPN

 # sudo route add default dev ppp0