Questions tagged [l2tp]
The l2tp tag has no usage guidance.
77
questions
0
votes
2answers
128 views
Can I have multiple clients login to the same VPN User?
I am using L2TP with IPSec on Windows Server 2019, and was wondering if its necessary to have a separate user for each tunnel.
At the moment there is only one windows user that can login to the VPN. ...
0
votes
2answers
45 views
Arch Linux VPN + L2TP: connection established internet works but no access to internal network
I configured VPN according to this instruction (I have Linux), everything is fine, the connection is established, the IP address changes from mine to USA, but the resources that are should be ...
0
votes
0answers
12 views
L2TP/IPSec Public IP To Client
I currently have a server set up (Ubuntu) of which i'm using as a VPN server with L2TP and IPSec.
However when connecting to this, it is providing a LAN IP address (server side). I would like the ...
0
votes
0answers
3 views
Host l2tp vpn on linux with internet filtering
I am trying to find a way to host an l2tp vpn on linux ubuntu. I want to be able to filter specific addresses and I want to be able to log all websites visited. Does anyone know how to do so?
0
votes
1answer
47 views
Unable to connect to L2TP/IPsec vpn from Windows 10
When I try to connect to my L2TP/IPsec vpn with pre-shared key, I get the following error:
The L2TP connection attempt failed because the security layer encountered a processing error during initial ...
0
votes
0answers
10 views
Some ports are open but others are not while having same settings
I'm trying to get a SoftEther VPN server running and am having trouble connecting to the VPN.
I sadly have double NAT in my network because my ISP does not allow me to use my own modem/router as ...
0
votes
0answers
50 views
L2TP IPSec VPN - troubleshooting with vpn connection to company network
I have a VPN L2TP IPSec network in my company.
Main router - Asus RT-AX56U connects with the operator via PPPoE (login/password).
We have another router Dasan H660GM which is set to operate as a ...
0
votes
1answer
47 views
VPN from Windows 10 to Windows Server 2019
I'm trying to establish a connection between a Windows 10 machine and a Windows Server 2019. On the server side I set up the VPN by these instructions https://www.snel.com/support/how-to-set-up-an-...
0
votes
0answers
29 views
How to chain two L2TP VPN connections on Windows?
I have two L2TP VPN connections that I need to connect to both; not alongside each other, but one through the other. I can successfully connect to each individually, but when I connect to one and then ...
0
votes
0answers
12 views
Configuration RRAS on W2K19 Server permitted VPN clients access to LAN and Internet
I have try to deploy a VPN windows built in Server (Routing and Remote Access) to give my VPN clients access to my LAN and working on app in Windows Server 2019 (W2k19-Ser).
Please suggest me right to ...
1
vote
0answers
36 views
L2TP VPN connection is failed after reseting the BIOS on Ubuntu 18.04.5 LTS
During the L2TP VPN connection, I get the following error Activation of network connection failed. All credentials are valid since I can connect to the VPN using the Windows machine.
The connecting ...
0
votes
0answers
40 views
Cannot connect to L2tp VPN using windows 10 client but I can connect using ubuntu VMbox from the same windows 10 client
I cannot connect to L2tp VPN Server using my windows 10 PC. I have VM box installed with Ubuntu on the same windows 10. But the VPN connects from this ubuntu VM.
The VPN server is Windows server 2016
...
0
votes
0answers
376 views
Error 720 on L2TP/IPSEC VPN Connection
Got a new Dell laptop for a customer. Can't connect to the VPN with just this laptop. Everyone's existing connections are fine. My personal laptop I've been comparing with works as well. All ...
0
votes
0answers
237 views
How can I route “Multicast - IGMP” through a VPN L2TP/IPSEC server?
I'm trying to route IGMP traffic through a VPN server, in order to successfully establish an IPTV streaming server. I'm aware of the traffic that this will cause in the VPN server, however, this VPN ...
0
votes
0answers
44 views
L2TP Windows 10 doesn't work on home network. Mac does, iOS does, Windows 10 does when using mobile hotspot
Ok, here we go.
We have two sites; home and away. Home uses 192.168.0.1/24 and away uses 192.168.1.1/24
On both ends, we have a Synology NAS with L2TP VPN using PSK.
UDP 500, 1701 and 4500 forwarded ...
0
votes
0answers
51 views
L2Tp forming session, but not tunnel (Cisco)
Two cisco routers
For some reason they establish a session but not a tunnel. The session says:
LocID RemID TunID username, Intf/vcid, Circuit State Last Chg Uniq ID
1 2 n/a 1, Gi0/1 ...
0
votes
0answers
769 views
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 ...
0
votes
0answers
679 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.
...
0
votes
0answers
483 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 ...
2
votes
4answers
15k 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 ...
4
votes
1answer
2k 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/...
1
vote
1answer
1k 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-...
3
votes
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 ...
3
votes
1answer
898 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 : ---------------------
...
0
votes
1answer
5k 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 ...
1
vote
0answers
62 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 ...
4
votes
3answers
15k 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 ...
0
votes
0answers
280 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 ...
12
votes
3answers
77k 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. ...
-1
votes
1answer
5k 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 ...
0
votes
1answer
7k 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 ...
0
votes
1answer
340 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 ...
0
votes
0answers
201 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 ...
2
votes
0answers
582 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 ...
0
votes
1answer
1k 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: ...
0
votes
1answer
2k 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 ...
0
votes
1answer
3k 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 ...
1
vote
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 ...
1
vote
1answer
489 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 ...
0
votes
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
votes
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 ...
1
vote
0answers
129 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....
1
vote
1answer
13k 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 ...
1
vote
0answers
3k 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 /...
0
votes
2answers
5k 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 ...
2
votes
2answers
1k 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 ...
3
votes
2answers
16k 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. ...
0
votes
1answer
3k 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
votes
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 ...
3
votes
2answers
8k 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 ...
