2. Go to NAT >> Open Ports, and open the required port to the IP address of the VPN server. The ports required for each protocol are: PPTP: TCP 1723 (the router will also forward GRE IP47 automatically) L2TP: UDP 1701 ; IPsec: UDP 500 and UDP 4500 if NAT-T is used (the router will also forward ESP IP50 automatically) 3.
FortiGate_PPTP_VPN_User_Guide_图文_百度文库 FortiGate PPTP VPN User Guide 01-30005-0349-20070926 21 Defining a virtual port-forwarding address Configuring the FortiGate unit for PPTP VPN Configuring the FortiGate unit for PPTP pass through To forward PPTP packets to a PPTP server on the network Port Forwarding and VPN - Surfshark Find the Port Forwarding screen/tab. You may need to click around. Depending on the type of VPN protocol you’re using, enter this: PPTP: set the local port to 1723 and protocol to TCP for the PPTP itself, and port 47 and protocol “Other” for the GRE tunnel. VPN技术(IPsec/L2TP/SSLVPN/PPTP)学习笔记-解 … 2020-1-17 · 端口转发（port forwarding） 端口映射是粒度仅次于WEB代理的应用，它通过TCP端口映射的方式（原理上类似于NAT内部服务器应用），为使用者提供远程接入TCP的服务，它需要专门的、与服务器配套的SSL VPN客户端程序帮忙（在页面中一般提供下载方式）或是通过HTML代码实现。
Port Forwarding and VPN - Surfshark
Mar 01, 2020 · Port Forwarding. Should be off by default. That said, there are defensive measures that do port forwarding to known bad IP addresses, so this feature can swing both ways. Note than TRENDnet calls this feature "virtual server" Port triggering. See an Asus UI sample. Guest networks, when not in use; WiFi whenever possible, such as overnight.
FortiGate_PPTP_VPN_User_Guide_图文_百度文库
VPN技术(IPsec/L2TP/SSLVPN/PPTP)学习笔记-解 … 2020-1-17 · 端口转发（port forwarding） 端口映射是粒度仅次于WEB代理的应用，它通过TCP端口映射的方式（原理上类似于NAT内部服务器应用），为使用者提供远程接入TCP的服务，它需要专门的、与服务器配套的SSL VPN客户端程序帮忙（在页面中一般提供下载方式）或是通过HTML代码实现。 Ports used for VPN Protocols – IPVanish Both PPTP and L2TP need the PPTP & L2TP pass-through options in the firewall/router's management interface to be enabled (if applicable). Routers without these options may not support PPTP or L2TP traffic To allow PPTP traffic, open TCP port 1723; To allow L2TP w/ IPSec traffic, open UDP ports 500, 1701 & 4500; Both IPSec and IKEv2 use UDP port 500