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Questions tagged [l2tp]

79 questions
49
votes
2 answers

IPsec versus L2TP/IPsec

I have a VPN service which gives me the option of connecting via PPTP, IPsec, or L2TP over IPsec. PPTP i know is inferior in terms of security and encryption, but I'm not really sure what the difference is between the two IPsec options. Anecdotally,…
Chris Pratt
  • 676
17
votes
3 answers

L2TP/IPsec VPN fails to connect on Windows 10 - Works fine on iOS

I’ve configured an L2TP/ipsec server with a pre-shared key that works like a charm on my phone. I’ve tried several ways including disabling of firewall to connect on Windows 10 but it always fails. Here is the error it throws: How can I make it…
Asad Moeen
  • 677
15
votes
1 answer

Accept incoming L2TP connections on Windows 7

Windows 2003 can be configured as a VPN server that uses L2TP with a preshared key. Windows 7 can be configured to accept incoming VPN connections, presumably using PPTP. Is there a way to configure Windows 7 to accept incoming L2TP connections? The…
Greg
  • 251
8
votes
5 answers

Windows 7 default VPN - Single Click to Connect

The default way to connect to a VPN (standard includedd MS client) seems to be to click on the network icon in the system tray to expand it, then pick the VPN connection, and click the connect button. This brings up a dialog where you can enter your…
Goyuix
  • 6,607
5
votes
1 answer

L2TP/IPSec stopped working after openssl upgrade

VPN connections from my MacBook / iOS devices to a Debian server having openswan / xl2tp were working just fine until I used apt-get to upgrade everything due to openssl heartbleed announcement. Now the VPN connection stopped working with the…
Dennis Kreminsky
  • 174
5
votes
1 answer

How do I connect Android 4.2 VPN to OS X Server VPN (L2TP)?

I have a Mac mini running OS X 10.8.2 with the OS X Server 2.2.1 from the app store, and I have set up the VPN using L2TP in the Server.app interface. I have tested this VPN connection using a Macbook, which works, but I can't figure out how to get…
nerdherd
  • 306
5
votes
4 answers

Windows 10 L2TP VPN connection issue

I have a Windows 10 client which has been configured to connect to an L2TP VPN. To get the connection to work, I had to add the "AssumeUDPEncapsulationContextOnSendRule" registry Key, and then totally disable Windows Firewall—the VPN connects…
Panomosh
  • 231
4
votes
1 answer

L2TP/IPSec On Mac Failed to connect

I am connecting to a VPN Server set up following instructions in https://github.com/hwdsl2/setup-ipsec-vpn And I setup the clients following https://github.com/hwdsl2/setup-ipsec-vpn/blob/master/docs/clients.md#os-x Under the same LAN, one of my…
addlistener
  • 141
4
votes
3 answers

Can't connect to L2TP IPsec VPN from Windows 10 but it works with macOS High Sierra

I am trying to connect from a Windows 10 client to an Ubiquiti EdgeRouter VPN, I went through the instructions on https://help.ubnt.com/hc/en-us/articles/204950294-EdgeRouter-L2TP-IPsec-VPN-Server but whenever I try to connect to the VPN I get the…
div-opn
  • 41
3
votes
2 answers

L2TP over IPSec VPN on Fedora 21

I need to connect a Linux Fedora 21 desktop to a L2TP over IPSec VPN. I was given a set of instructions for how to do so on a MAC as that is what they use but I have been unable to do so on Fedora. Here are the instructions I was given: Open System…
David Mokon Bond
  • 145
3
votes
2 answers

IPSec with or without L2TP?

I'm referring to this question. And to be clear: This is really not about the old PPTP vs L2TP debate. ;-) I successfully set up racoon as an IKE server without any L2TP implementation running and it works quite well. I can establish a tunnel from…
creethy
  • 43
3
votes
1 answer

Setting up VPN client: L2TP with IPsec

I've got to connect to vpn server. It works on Windows, but in Ubuntu 10.04 not. Number of options is confusing for me. There is the input that I have: IP Address of VPN Pre-shared key to authenticate Information that MS-CHAPv2 is used Login and…
zachar
  • 131
3
votes
2 answers

OS X 10.7, can't log into any L2TP VPN server

I was running 10.6.8 and couldn't login to any L2TP VPN server (tried 2 completely different ones) using the built-in VPN client. Upgraded to 10.7.2, the same issue. It doesn't seem that the machine is even trying to connect to the VPN server (at…
lupincho
  • 1,778
3
votes
2 answers

Black Screen Issues with RDP from Windows 11 to Windows 10

While supporting a network where multiple remote employees connect to their Windows 10 desktops through RDP, I've run into a vexing problem. Several users have reported black screens upon RDP connection, and all of them are on Windows 11. This post…
LonnieBest
  • 1,816
3
votes
1 answer

L2TP VPN connection stuck "Connecting" on Windows 10

On Windows 10 Pro build 17134, when I try to connect to an L2TP VPN connection, through the system tray network menu, it gets stuck "Connecting" and never connects: However, when I connect the same VPN through the Settings app, it connects just…
abstrask
  • 4,909
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