Setup PPTP VPN Server on CentOS 6
This guide explains how to setup your own PPTP VPN on CentOS 6 by using the pptpd
daemon available in the yum repository.
Please note that security vulnerabilities have been found in the PPTP protocol and it may be worth evaluating other VPN protocols before utilizing PPTP.
Setup VPN server
Install the required packages.
yum install -y pptpd
Configure the PPTP settings. The “ppp” configuration files are important for pptpd
. First, configure /etc/ppp/options.pptpd
, as follows. If desired, you may change the DNS servers.
name pptpdrefuse-paprefuse-chaprefuse-mschaprequire-mschap-v2require-mppe-128proxyarplocknobsdcomp novjnovjccompnologfdms-dns 8.8.8.8ms-dns 8.8.4.4
Next, add users to the PPTP VPN service by editing /etc/ppp/chap-secrets
. Change the username and passwords accordingly.
vultr1 pptpd P@$$w0rd *vultr2 pptpd P@$$w0rd2 *
Configure the pptpd
daemon settings by editing /etc/pptpd.conf
. Use the following example configuration. You can change the IP address ranges if needed.
option /etc/ppp/options.pptpdlogwtmplocalip 192.168.80.1remoteip 192.168.80.101-200
Next, edit /etc/sysctl.conf
to enable IP forwarding.
sed -i 's/^net.ipv4.ip_forward.*/net.ipv4.ip_forward = 1/g' /etc/sysctl.confsysctl -p
Configure routing with iptables.
iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 1723 -j ACCEPTiptables -t nat -A POSTROUTING -o eth0 -s 192.168.80.0/24 -j MASQUERADEservice iptables saveservice iptables start
Start the service.
service pptpd start
Your PPTP server setup is complete. Now you can connect to your own PPTP VPN server from your PC or mobile device.
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