https://www.vpntracker.com/us/faq/2126/2/what-is-pptp-vpn-point-to-point-tunneling-protocol/KH2126?identifier=vpntracker.com&pid=1
What Is PPTP VPN? (Point-to-Point Tunneling Protocol) - KH2126
VPN Tracker is the ultimate VPN client for Mac. Here many of your questions about Virtual Private Networks, also called VPNs, will be answered.
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