The following page provides information on the PPTP Protocol.
The PPTP protocol is an obsolete virtual private network (VPN) protocol. It was developed in 1999 by a consortium led by Microsoft and was a popular VPN solution in the 2000s.
Point-to-Point Tunneling Protocol
The PPTP protocol has well known security issues, so use an alternative VPN solution. In addition, VPN can not only be used to connect remote locations, but also be used to bypass your firewall/DNS policies. Investigate any unauthorized use on your network.
- TCP 1723 - PPTP instantiation port.
- GRE - GRE tunneling protocol.
Do you know how much PPTP traffic flows through your network? Netify's protocol detection engine and reporting provides insights to help manage your network.
What gets measured, gets managed.Learn More