Aug 06, 2019
GitHub - hwdsl2/setup-ipsec-vpn: Scripts to build your own IPsec VPN Server Auto Setup Scripts. Set up your own IPsec VPN server in just a few minutes, with both IPsec/L2TP and Cisco IPsec on Ubuntu, Debian and CentOS. All you need to do is provide your own VPN credentials, and let the scripts handle the rest. Which ports do you need to open on a firewall to allow L2TP over IPSec. To allow Internet Key Exchange (IKE), open UDP 500. To allow IPSec Network Address Translation (NAT-T) open UDP 5500. To allow L2TP traffic, open UDP 1701. Learn more: Enabling a Windows Firewall Exception for Port 445 L2TP over IPsec from Windows 10 to Vigor Router | DrayTek
Since L2TP doesn't provide any authentication or encryption mechanisms directly, both of which are key features of a VPN, L2TP is usually paired with IPSec to provide encryption of user and control
IPsec is used to secure L2TP packets. The initiator of the L2TP tunnel is called the L2TP Access Concentrator (LAC). L2TP and IPsec is supported for native Windows XP, Windows Vista and Mac OSX native VPN clients. However, in Mac OSX (OSX 10.6.3, including patch releases) the L2TP feature does not work properly on the Mac OS side.
Jun 28, 2018
What is L2TP/IPSec. L2TP is a combination of PPTP and Layer 2 Forwarding (L2F), a technology developed by Cisco. L2TP combines the best features of PPTP and L2F. Even the underlying tunneling technology still utilizes PPP specifications. the encryption is done by IPSec in transport mode. L2TP/IPSec protocol uses UDP port 500. Encapsulation MikroTik L2TP/IPsec VPN Configuration (Connecting Remote MikroTik L2TP server is one of the most popular VPN services. It provides a secure and encrypted tunnel across public network for transporting IP traffic using PPP. L2TP/IPsec is more secure than MikroTik PPTP VPN server. MikroTik L2TP Server can be applied in two methods. Best L2TP VPNs for 2020 - Why do you need one ASAP? Apr 03, 2020 Setting up L2TP With IPsec - Tips and Tricks - Peplink