Open the file with your favorite editor (mine's nano, so the command for me is sudo nano /etc/ppp/pptpd-options), and comment out these lines by putting a # before them, if you want this to work universally on all OSes: refuse-pap The guide suggests 22 (SSH) and 1723 for the pptp vpn.ģ: Edit /etc/ppp/pptpd-options. iptables can be used in place of ufw, but for the sake of easiness, ufw is better if you don't know iptables.Ģ: Open the ports needed. To summarize the main points in the link, though:ġ: Install pptpd and ufw. I used this guide to set up a PPTP VPN server on my Ubuntu 12.04 server. Consider using OpenVPN or another VPN architecture instead of PPTP! It has been estimated that the amount of time required to brute-force the password is roughly equivalent to the time required to brute-force a single DES key. WARNING: PPTP IS AN INSECURE PROTOCOL! Not only has the encryption been breached, but it sends your authentication in clear text and is easily intercepted.
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