linux - Which ports for IPSEC/LT2P? - Server Fault
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; SSTP (Available via our windows client only) uses TCP port 443 . If you have any further questions, contact our support team. [SOLVED] Setting up L2TP/IPSec behind SonicWALL Feb 08, 2018 Port Forwarding - L2TP Ports - Firewall and Policies - XG Feb 18, 2018 network - What ports need to be opened to use the L2TP VPN
PPTP and L2TP Port Forwarding | Outsourced IT Support
network - What ports need to be opened to use the L2TP VPN
MikroTik: L2TP/IPsec VPN Firewall Rules - jcutrer.com
Setup L2TP/IPsec VPN Server on SoftEther VPN Server The meanings of each option are followings: L2TP Server Function (L2TP over IPsec) This function is for accepting VPN connections from iPhone, iPad, Android, and other smartphones, and built-in L2TP/IPsec VPN Client on Windows or Mac OS X. Enable it if you want to support one of these devices as VPN Client. VPN Pass-Through Setup | DrayTek