The VPN tunnel will allow remote computers to think that they are on the same LAN or switch as the server. So you have full freedom about deciding how remote machines/users authenticate after they've negotiated and established the VPN tunnel. – DutchUncle Feb 23 '11 at 17:41
Oct 20, 2016 · A recent VPN project for two customers required configuration of Port Address Translation through a NAT Devices (one Cisco ASA and one Sonicwall) onto Windows Remote Access Servers (RRAS with NPS) We decided to post some information regarding port forwarding of PPTP and L2TP Ports, specifically when the RAS is behind a NAT Device, so here goes: Virtual private network (VPN) connections enable users working at home or on the road to access a server on a private network by using the infrastructure provided by a public network, such as the Internet. To use VPN for accessing server resources, you must complete the following: Enable VPN for remote access on the server Jul 21, 2016 · Windows Server 2012 R2 provides support for secure client-based remote access VPN connections as part of the Routing and Remote Access Services (RRAS). Client-based VPN is very mature in Windows, originally introduced with Windows 2000 Server and also as a downloadable option for Windows NT 4.0. Today, RRAS has broad client support with secure and robust VPN protocols such as IKEv2 and SSTP To fix it, ensure that 443 is allowed and forwarded to the Windows Server 2012 R2 Essentials, and that correct SSL certificate is bound to the Default Web Site for port 443, and the same is associated with SSTP port. You can easily figure out if SSL port 443 is blocked. If you are able to browse RWA from outside, it is open, otherwise it is not. The VPN tunnel will allow remote computers to think that they are on the same LAN or switch as the server. So you have full freedom about deciding how remote machines/users authenticate after they've negotiated and established the VPN tunnel. – DutchUncle Feb 23 '11 at 17:41
Configure the Remote Access Server for Always On VPN
Port Checker is a simple and free online tool for checking open ports on your computer/device, often useful in testing port forwarding settings on a router. For instance, if you're facing connection issues with a program (email, IM client etc) then it may be possible that the port required by the application is getting blocked by your router's
Anywhere Access - Change ports for VPN - Windows Server
SBS 2008 - Server 2008 site to site vpn problem I have a SBS 2008 box that I want to add another server for remote site ( 2008 standard). Currently VPN works fine on SBS and i can dial anywhere via pptp and join network. I have added RRAS role to new 2008 server at branch office. Configured demand dial , since VPN was already running on SBS , I have just added demand-dial and route.