Layer 2 Tunnelling Protocol is a layer 7 networking protocol which provides an unsecure layer 2 tunnel. It runs on top of UDP, and is commonly used to carry PPP sessions. Security is usually provided with the addition of IPsec.
Questions tagged [l2tp]
202 questions
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What Does This L2TP/IPSec Error Mean?
I am trying to connect to a Cisco Meraki VPN that uses L2TP/IPsec. On my side I am using Libreswan/NetworkManager to configure my connection. When I try to connect, I get logs as follows:
Mar 02 11:29:45 eyrie NetworkManager[375]: …
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RDP connection failed after logging into VPN (L2TP/IPSec) on a sever
I have a virtual machine Win 10, and I can connect to it via RDP (Remote Desktop Protocol) from my local laptop. Now I want to establish a VPN (L2TP/IPSec) on the remote Win 10 to a third host, because I cannot connect to the third host from my…

ya wei
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How can I access my own IP under StrongSwan? [MacOS]
I've set up SoftEther VPN on a brand-new Ubuntu 16.04 server and connected macOS, Windows and iOS client to it.
I've created Ruby on Rails webserver on my macbook and binded it to my VPN address.
Other clients can access it but not my macbook - I…

Mike Wolfram
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How to proxy a l2tp server?
My topologic is :
Host1(MyL2TP Client) <=========> Host2 (L2TP Server, SOCKS5 Proxy Client) <==========> Host3(SOCKS5 Proxy Server) <======> Internet
Host2 is ubuntu14.04, how to redirect streams from L2TP server to Socks5 proxy? (or Http…

Alex Chan
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How to route traffic between L2TP/IPSec and WireGuard tunnels?
I have a KVM VPS running Ubuntu 18.04 which is simultaneously:
L2TP server (xl2tpd + strongswan) with IP 192.168.42.1/24
Wireguard client with IP 192.168.73.3/24 (server's IP is 192.168.73.1/24)
Both L2TP and Wireguard connections work pretty well…

bellerofonte
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How to veryify if VPN network encrypt data correctly in Windows 7?
I configured IPSec VPN network on my router and I successfully to this VPN in local Network.
I have now 2 connections under control panel:
Local connection
My vpn
I configured full data encryption, not authorization only. It mean:
L2TP with IPSec…

arrowman
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Networking VPN expert out there? Should Remote VPN "Client" be pingable/reachable FROM the VPN server?
I've setup VPN connections with different servers today and all worked, in one direction, from VPN client TO VPN SERVER.
BUT I could NOT whatever I tried access ports/services on my 'connected' VPN client's vpn given IP address FROM the…

htfree
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