Port forwarding for PPTP on a 3120 not working - ADTRAN
How can I open PPTP traffic to a PPTP server behind the The Point-to-Point Tunneling Protocol (PPTP) is a method for implementing virtual private networks. PPTP uses a control channel over TCP and a GRE tunnel operating to encapsulate PPP packets. A PPTP tunnel is instantiated by communication to the peer on TCP port 1723. This TCP connection is then used to initiate and manage a second GRE tunnel DiskStation Manager - Knowledge Base | Synology Inc. Centralize data storage and backup, streamline file collaboration, optimize video management, and secure network deployment to facilitate data management.
Single Port Forwarding will only allow you to specify one port for forwarding. If you want to forward multiple ports, you can perform Port Range Forwarding instead. Click here for instructions. NOTE: If you want to set up Single Port Forwarding through your Linksys server account, click here to learn how. If you are replacing an old router with
PPTP and L2TP Port Forwarding | Outsourced IT Support Oct 20, 2016
networking - Port forwarding through VPN (PPTP) - Super User
DiskStation Manager - Knowledge Base | Synology Inc. Centralize data storage and backup, streamline file collaboration, optimize video management, and secure network deployment to facilitate data management. Open Port Check Tool - Test Port Forwarding on Your Router