pptp

linux client

apt install pptp-linux 
lock noauth nobsdcomp nodeflate
<username> PPTP <password> *
pty "pptp 185.91.188.97 --nolaunchpppd"
name <username>
remotename PPTP
require-mppe-128
file /etc/ppp/options.pptp
ipparam galileo

test

pon galileo debug dump logfd 2 nodetach
auto tunnel
iface tunnel inet ppp
  provider galileo