PPTP server on AWS Ubuntu instance

Simple VPN server configuration for easy VPN access to AWS using built in Windows VPN client.

First to install pptp server package.

sudo apt-get install pptpd

Now to configuration:

edit /etc/pptpd.conf

option /etc/ppp/pptpd-options

logwtmp

localip 172.20.0.1 

remoteip 172.20.0.10-50

edit  /etc/ppp/pptpd-options

refuse-pap

refuse-chap

refuse-mschap

require-mschap-v2

require-mppe-128

ms-dns 8.8.8.8

ms-dns 8.8.4.4

proxyarp

nodefaultroute

lock

nobsdcomp

mtu 1420

mru 1420

edit  /etc/ppp/chap-secrets 

# client        server  secret                  IP addresses

client1      pptpd   secret1      *

client2      pptpd   secret2      *

Add to /etc/rc.local

iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE

iptables -t mangle -A FORWARD -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu

iptables -t mangle -A OUTPUT -p tcp -m tcp --tcp-flags SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu

Run:

/etc/rc.local

service pptpd restart

Done.

Provided by:Forthscale systems, cloud experts