Questions tagged [l2tp]

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VPN connection to Unifi USG Pro 4 using L2TP/IPSEC does not work behind my ISP's router

I have my ISP's router in my home which gives out 192.168.0.x addresses. I also have a USG with which i want to create a separate network, that i can reach using VPN with L2TP/IPSEC. This should be ...
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7 views

Router not connecting to internet on L2TP VPN

I have an old Dlink router which I am using it as a VPN hotspot. It works fine with external VPN services like HMA, FastestVPN, etc. Now, I did set up a Windows VPN server on EC2 instance using the ...
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62 views

Windows 10, always getting error 789 followed by error 791 when trying to open L2TP VPN connections

I tried to connect to different VPN servers now to which I can connect without problems from other devices. I'm using the Windows 10 built-in VPN client and I'm sure the options I've set are correct. ...
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81 views

User unable to connect to L2TP IPsec VPN

I have recently setup a VPN connection to our office through our Draytek Vigor Router which has built in VPN functionality. I have setup the VPN as L2TP over IPSec with a shared secret, as this is an ...
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17 views

L2TP vpn connects but no devices Windows 10

We have no issue connecting to the VPN, however we cannot map any devices, nor ping anything on the LAN. We have the Cisco switch and VPN client configured correctly; obviously some Windows ...
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0answers
263 views

VPN l2tp over IPSec: ppp - No auth is possible. Ubuntu 18.04 LTS

I setup IPSec over VPN using this tutorial https://20notes.net/linux/setup-l2tp-over-ipsec-client-on-ubuntu-18-04-using-gnome It is working using NetworkManager. However NetworkManager allow only one ...
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4answers
6k views

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 ...
2
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1answer
935 views

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/...
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1answer
818 views

L2TP / IPSec couldn't look up L2TP VPN gateway IP address (CentOS 7)

I'm trying to connect to VPN from CentOS 7. I have network-manager-l2tp installed (1.2.10). The output I'm getting: Mar 18 23:46:43 localhost NetworkManager[4790]: <info> [1552949203.6892] vpn-...
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1answer
2k views

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 ...
2
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1answer
479 views

L2TP/IPSec using srongswan in ubuntu

I'm using strongswan on ubuntu 16.04 to connect to a thirdparty L2TP/IPSec VPN. They provided me a profile file like this: VPN connection IP : X.X.X.X IPSEC Authentication : --------------------- ...
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1answer
4k views

Cannot connect to SoftEther VPN from Windows SSTP or L2TP client, but server management connection is OK

I set up SoftEther VPN server on a VPS on Centos 6.10. Strangely, I can access the server with VPN Server Manager and do whatever I like with it, but when I try to make VPN connection (from the very ...
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0answers
56 views

Strongswan xl2tpd: Can't connect to local services through vpn

I have a l2tp vpn server set up and I am trying to access services running on port 9090 via 192.168.67.14. I can access port 80 but I get connection refused when I try any other port. I have disabled ...
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3answers
12k views

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 ...
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0answers
226 views

Why does Windows VPN MS-CHAP v2 map error code 649 to 812?

When attempting to make a Windows VPN connection with MS-CHAP v2, why is error 649 mapped to the much more generic error 812? The former would seem to be much more useful. The dialog box shown to the ...
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3answers
51k views

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. ...
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1answer
4k views

Accessing server behind Mikrotik L2TP/IPSec Client

So I'm using an L2TP/IPSec VPN service which allows me to forward ports so I can access servers on my local network from the public internet. This works great when I've got my Windows PC as the client ...
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1answer
6k views

How to push DNS settings to VPN clients in Windows Server 2012R2?

I have configured L2TP VPN service in a Windows Server 2012R2 box. The service is totally fine for Windows and Linux clients but it does not work for macOS/iOS since DNS setting is not pushed to ...
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1answer
314 views

Why does VPN client connect with pfs=yes when server has pfs=no?

I have a small VPN set-up. The client in question is a Raspberry Pi running strongswan and xl2tpd to run as IPsec/L2TP. I made a configuration mistake on the client where I set pfs=yes (for perfect ...
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0answers
175 views

VPN, NAT - an out of the box solution

I am looking for an out of the box VPN solution for homeuser build with cheap hardware. The szenario is as easy as everywhere: Office: Server (private IPv4 LAN 192.168.10.x) <-> router and ...
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0answers
510 views

xl2tpd-control command not working

I have an cisco vpn server which which i am trying to connect an endpoint through VPN(IPsec/L2TP). I have strongswan, xl2tpd and pppd running on my machine. IPsec conection is established successfully ...
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1answer
977 views

L2TP VPN Server on Raspberry Pi

I setup a L2TP VPN server on my Raspberry PI. When I tried to connect to it from my iPhone, I got the following error in the /var/log/auth.log file: Jan 3 10:53:08 raspberrypi pluto[4116]: ERROR: ...
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1answer
1k views

L2TP/IPsec VPN Debian/Ubuntu IPsec fails to negotiate or establish security associations

I spent 2 days to configure and figure what's wrong with this setup of L2TP/IPsec VPN. I'm using Debian 8.6 on my VPS server and on my Virtual machine on laptop I'm using Ubuntu 14.04.5. On my VPS im ...
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1answer
2k views

Using openswan on raspian get “We cannot identify ourselves with either end of this network”

I just spent several hours fighting with Raspberry Pi 3 to get it to connect to my VPN at work. I got OpenSwan installed and (apparently) configured, and also xl2ptd. After starting the services and ...
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1answer
2k views

Unable to Connect to Windows Server 2012 VPN using L2TP

Trying to connect to Windows Server 2012 VPN over L2TP. Server configured to support L2TP using "custom IPSec policy" PSK. All authentication methods are checked off. Clients are configured to ...
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1answer
411 views

Have more than 2 concurrent VPN connection to a Windows Server 2008R2 Enterprise

I am trying to have 10 PCs to concurrently connect to my windows server 2008 R2 Enterprise via L2TP VPN. The problem that I am facing now is that after connecting 2 PCs via VPN, a third one cannot ...
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0answers
4k views

L2TP IPSec doesn't work from other city

I have a well working L2TP IPSec connection from any mobile or desktop client to my Mikrotik RB2011UiAS-2HnD-IN (RouterOS v6.30.2). It works when I connect through any mobile or stationary ISP within ...
0
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1answer
3k views

Can't Ping other local ips on l2tp vpn connection, getting: ping: sendmsg: No such device

I have setup an l2tp client using xl2tp to connect to an l2tp vpn server. The server connection requires that the connection be setup WITHOUT ipsec. So I have set up a basic xl2tp connection. The ...
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0answers
118 views

Linksys L2TP VPN Disconnecting

I am using a 2nd router as a L2TP VPN Router. Whenever the router boots up, it connects to VPN for about 2 minutes, then it disconnects. It stays in a "connecting" state and never regains a connection....
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1answer
9k views

Windows 10 automatically disconects from VPN server

I am connecting to the VPN server with Windows 10 built-in provider using L2TP/IPsec protocol with username/password and a Pre Shared Key. Everything is fine except the fact that every 1.5 hours it ...
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0answers
2k views

Windows 10 client Split Tunneling

Hey guys I have been trying to setup a vpn to my home network for a good chunk of time and am stuck. I've tried both PPTP and L2TP/IPsec from my microtik router. The client is able to see the network ...
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0answers
2k views

Connect to L2TP/IPsec (username/password/PSK) on cmd.exe

How may I connect to VPN using the username, password and PSK combo in the command line? Google has been of no help; any guidance will be most welcome. I want a command to the effect of vpnclient /...
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2answers
4k views

How to redirect LAN traffic to a L2TP/IPsec client connection on a gateway?

I established a L2TP/IPsec client connection on the gateway, and I'm trying to redirect my host on LAN to use this connection when accessing the Internet. Here is the network topology. This is my ...
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2answers
935 views

IPSec tunneling mode vs transport mode vs transport+L2TP

According to many docs, transport mode should be used in host-to-host IPSec, while tunneling is used to connect gateways and L2TP is used for remote access. But nothing prevents me from using ...
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2answers
15k views

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. ...
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1answer
2k views

ssh over VPN to ubuntu server

I have remote server(ubuntu server). I access remote server by ssh as ssh root@IP_OF_SERVER, then I have setup a webapp running in server and access it by IP_OF_SERVER:80. Every thing is working fine. ...
5
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1answer
6k views

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 ...
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2answers
7k views

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 ...
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1answer
954 views

Windows 2003 as L2TP server (without IPsec) L2TP PPP

Is there a way to configure Windows server (2003/2008) as a traditional L2TP server without having IPsec . I have an L2TP client which is similar to an LAC and dials in to the LNS using SCCRQ and gets ...
0
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1answer
186 views

Can I run a VPN server with certificates only, and no password/pre-shared keys?

I've seen several writeups around discussing VPN server configuration. In all of them, there are 2 or 3 pre-shared keys / passwords used at various levels of the tunnel -- one for IPSec, one for L2TP,...
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1answer
811 views

Logging VPN Traffic (L2TP/IPSec on Ubuntu)

I'm running a small, private VPN server for me and 2-3 other people. For bandwidth monitoring, and to comply with any possible DMCA or other government (re: new Canadian law) requests, I want to have ...
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0answers
566 views

VPN can't access local IPs

i have mac mini with OS X mavericks at the office. We have server app installed their and I connect succesfully but L2TP but can access only the mac mini and can't access other local computers. This ...
3
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1answer
2k views

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 ...
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2answers
737 views

Bonding 2 Internet Service Provider connections?

It's a silly question, probably, but anyway... I've got 2 Internet Service Providers: First provides a connection that runs over L2TP Second provides a Wifi connection Is there any way I can bond ...
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0answers
4k views

Openswan l2tp ipsec vpn on Ubuntu 13.04 for remote access (Android road warrior). Does not work

I followed the directions from here: http://samsclass.info/ipv6/proj/proj-L5-VPN-Server.html I used the same exact files as posted at that site. On my router, I have port-forwarded 500 UDP and 4500 ...
2
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0answers
891 views

Setup Ubuntu L2TP VPN server and authenticate users with certificates

I am trying to setup an L2TP server on my Ubuntu VPS and use certificates to authenticate users rather than a password. The reason behind this choice is that I don't want to have plain text passwords ...
5
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1answer
9k views

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,...
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3answers
2k views

How do I get L2TP to successfully install on Centos 5.9?

I am trying to setup a Centos 5.9 VPS as a L2TP VPN server. I am using this tutorial Tutorial but when I try to start Racoon with /etc/racoon/init.sh it gives me an error. pfkey_open: Address family ...
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0answers
1k views

Dlink DIR-615. Virtual server feature doesn't work after switching to L2TP

Hardware. Router Dlink DIR-615. Hardware Version: E4 Firmware Version: 5.10RU What did I have? A static IP from ISP. The mode to be used by the router to connect to the Internet is set to "Static ...
0
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1answer
1k views

Access to VPN possible from inside network but not from outside as intended

I installed an L2TP VPN network on an iMac using OS X Lion Server app. It works fine in testing when I use my wireless access on the network (accessing the external IP address), but am unable to ...