To allow L2TP/IPsec to your internal VPN-server you need: A static translation for the VPN-server to a public IP for the ports UDP/500 and UDP/4500; Allow these ports to the VPN-server; Have you considered to run the VPN-server on the router itself? With the Security-License you can also use VPN on the router.--
set vpn ipsec ipsec-interfaces interface eth0 set vpn ipsec nat-traversal enable set vpn ipsec nat-networks allowed-network 0.0.0.0/0 set vpn l2tp remote-access outside-address 192.0.2.2 set vpn l2tp remote-access client-ip-pool start 192.168.255.2 set vpn l2tp remote-access client-ip-pool stop 192.168.255.254 set vpn l2tp remote-access ipsec-settings authentication mode pre-shared-secret set SoftEther VPN supports also L2TP/IPsec VPN Protocol as described here. You can accept L2TP/IPsec VPN Protocol on VPN Server. iOS, Android, Mac OS X or other L2TP/IPsec VPN compatible client devices can connect to your SoftEther VPN Server. Cisco routers or other vendor's L2TPv3 or EtherIP comatible router can also connect to your SoftEther VPN Server name or address - This will be the public IP of the NGFW. If there are multiple public IP's this would be whatever IP address is in the Server Listen Addresses under the VPN Config tab. VPN type - L2TP/IPSec with pre-shared key; Pre-shared key - enter the IPSec Secret from the VPN Config tab of the IPSec module on the NGFW. Feb 06, 2018 · VPN wizard goes about setting up the SonicWALL as the VPN server which is now what I'm after. Public server asks me to select a server type for which I chose other, then select the VPN L2TP service (I'm not sure if this is correct). It's protocol is L2TP(115) and the port range is 1-65535. 13- Staying on the "Security" tab, change the VPN Advanced Settings by selecting the "Pre-shared key" option. You will need the shared key ("Pre-shared key") that was given to your by your firewall/VPN administrator. You have completed the configuration of your new VPN L2TP/IPSec connection on your Windows 7 machine. 2- Connecting to the VPN.
Dec 07, 2005 · L2TP over IPSec To allow Internet Key Exchange (IKE), open UDP 500. To allow IPSec Network Address Translation (NAT-T) open UDP 4500. To allow L2TP traffic, open UDP 1701. Here’s the Cisco access list: (gre=Protocol ID 47, pptp=1723, isakmp=500) access-list OUTSIDE permit gre any host OUTSIDEIP access-list OUTSIDE permit tcp any host OUTSIDEIP eq pptp
L2TP or IPSec VPN service is built-in on some routers, the port 1701, 500 or 4500 might be occupied. To ensure VPN Server works properly, you might need to disable the built-in L2TP or IPSec VPN service through the router's management interface to have the L2TP/IPSec of VPN Server work.
Next we add an l2tp-server server interface and set the allowed authentication methods, mschap1 and mschap2. /interface l2tp-server server set enabled=yes default-profile=ipsec_vpn authentication=mschap1,mschap2. Next, we need to define the peering of IPSec and also the default IPsec policy. We will also set the pre-shared-key secret in the
In computer networking, Layer 2 Tunneling Protocol (L2TP) is a tunneling protocol used to support virtual private networks (VPNs) or as part of the delivery of services by ISPs. It does not provide any encryption or confidentiality by itself. Rather, it relies on an encryption protocol that it passes within the tunnel to provide privacy. 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 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 Aug 13, 2019 · Ports: L2TP/IPSEC uses UDP 500 for the initial key exchange as well as UDP 1701 for the initial L2TP configuration and UDP 4500 for NAT traversal. Because of this reliance on fixed protocols and ports, it is easier to block than OpenVPN. Verdict: L2TP/IPSec is not a bad choice, but you may want to opt for IKEv2/IPSec or OpenVPN if available. Dec 17, 2017 · The ruleset can be further condensed by combining the 3 udp rules into one. /ip firewall filter add action=accept chain=input in-interface=ether1 protocol=ipsec-esp \ comment="allow L2TP VPN (ipsec-esp)" add action=accept chain=input dst-port=500,1701,4500 in-interface=ether1 protocol=udp \ comment="allow L2TP VPN (500,4500,1701/udp)" Apr 04, 2018 · OpenVPN seems to be the best option. If you have to use another protocol on Windows, SSTP is the ideal one to choose. If only L2TP/IPsec or PPTP are available, use L2TP/IPsec. Avoid PPTP if possible — unless you absolutely have to connect to a VPN server that only allows that ancient protocol. Image Credit: Giorgio Montersino on Flickr