On 03/26/2018 04:03 AM, Dario Lesca wrote: > I try to setup a PPTP VPN server on Centos 7 If you have ANY other option, do not use PPTP. If your client router supports IPSec, it will be vastly more secure. PPTP's encryption handshake uses a key derived from the password. It is extremely weak, and (IIRC) if it is cracked, the attacker will know the password that you used, which may give them insight to further attack your network.