What is PPTP VPN? - Definition from Techopedia

Apr 24, 2019 Which Ports to Unblock for VPN Traffic to Pass - BetterDefend Microsoft RRAS server and VPN client works with PPTP, L2TP/IPSec, SSTP and IKEv2Â based VPN connections. The PPTP control path runs with TCP, and the data path goes with GRE. All Major VPN Protocols Explained: PPTP, IPsec, IKEv2 PPTP. PPTP (aka Point-to-Point Tunneling Protocol) is one of the most recognizable VPN protocols …

For OpenVPN, we allow connections via TCP or UDP protocols on ports 443 or 1194. The IPVanish software uses port 443 Both PPTP and L2TP need the PPTP & L2TP pass-through options in the firewall/router's management interface to be enabled (if applicable). To allow PPTP traffic, open TCP port 1723

What ports are used by your VPN service? - Knowledgebase TCP ports 502, 501, 443, 110, and 80; L2TP uses: UDP ports 500, 1701, and 4500; IKEv2 uses: UDP ports 500; PPTP uses: TCP ports 1723 or Protocol 47 (GRE) If you can connect over any of those, you should be able to use at least one of our connection methods. In addition, the PIA application pings our gateways over port 8888. This is used to can we change the port number of vpn services

If you have followed the above steps and still cannot connect to the VPN, try forwarding the PPTP Port (1723) with TCP protocol to the LAN IP Address of your router (i.e. 192.168.1.1). Although it seems like this is a weird approach since you are using your router to forward to itself, it often times allows the VPN connection to suceed.

Configure Point to Point Tunneling Protocol (PPTP) Server Dec 13, 2018 How to check if you can connect using PPTP on Windows - ibVPN