Can't connect to L2TP/IPSec VPN Server - Synology Forum

The VPN Server Configurator contains a number of options for setting the VPN ports, IP address ranges, what users accounts on the current system are authorized to access the VPN service, and many How To Guide: Set Up & Configure OpenVPN client/server VPN HOW TO Introduction. OpenVPN is a full-featured SSL VPN which implements OSI layer 2 or 3 secure network extension using the industry standard SSL/TLS protocol, supports flexible client authentication methods based on certificates, smart cards, and/or username/password credentials, and allows user or group-specific access control policies using firewall rules applied to the VPN virtual interface. Set up VPN Server - Synology DSM Help

OS X Server’s VPN needs four ports open to work: UDP 500, UDP 1701, TCP 1723, and UDP 4500. Add those four ports, as shown in the example screenshot above. Save your settings when finished.

Aug 05, 2015 VPN Server/Client Router and OS X Server - Networking Oct 06, 2013

Oct 06, 2013

Set up VPN Server - Synology DSM Help With the VPN Server package, you can easily turn your Synology NAS into a VPN server to allow DSM users to remotely and securely access resources shared within the local area network of your Synology NAS. By integrating common VPN protocols - PPTP, OpenVPN and L2TP/IPSec - VPN Server provides options to establish and manage VPN services tailored to your individual needs. How to Configure SoftEther, a Free VPN Server for macOS Ports. Open SoftEther VPN Server Manager; In the listener list, delete ports 992 (function unknown), 1194 (OpenVPN), and 5555 (SoftEther remote management) Note: when you connect to SoftEther Server Manager next make sure so specify 443 (the only remaining one) instead of 5555.