PPTP VPN Server setup on Debian, for OSX/iOS clients.
=========================================================

```
sudo aptitude install pptpd 

sudo cat > /etc/pptpd.conf << EOF
localip 192.168.240.1
remoteip 192.168.240.2-9
EOF

sudo cat > /etc/ppp/pptpd-options << EOF
ms-dns 208.67.222.222 # opendns
ms-dns 208.67.220.220
mtu 800 # lowered down mtu and mru or else osx connection drops
mru 800
EOF

echo "YOUR_USERNAME pptpd YOUR_PASSWORD *" | sudo tee -a /etc/ppp/chap-secrets
sudo /etc/init.d/pptpd restart

sudo cat > /etc/sysctl.conf << EOF
net.ipv4.ip_forward=1
EOF

sudo sysctl -p

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

# edit /etc/rc.local
# iptables -t nat -A POSTROUTING -o eth0 -j MASQUERADE
# exit 0

```