Questions tagged [l2tp]
The l2tp tag has no usage guidance.
75
questions
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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 ...
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3
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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. ...
- 677
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votes
1
answer
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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 ...
- 251
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votes
5
answers
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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. ...
- 6,601
5
votes
4
answers
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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 ...
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1
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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 ...
- 174
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1
answer
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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,...
- 306
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votes
3
answers
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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 ...
- 41
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votes
1
answer
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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/...
- 141
3
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2
answers
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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 ...
- 43
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votes
2
answers
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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 ...
- 1,758
3
votes
2
answers
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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. ...
- 145
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votes
1
answer
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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 : ---------------------
...
- 141
3
votes
1
answer
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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 ...
- 4,889
3
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1
answer
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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 ...
- 131
2
votes
2
answers
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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 ...
- 1,533
2
votes
1
answer
16k
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Mac OS X L2TP VPN won't connect
I'm running Mac OS X Server 10.6, providing an L2TP VPN service. The VPN works just fine when connecting from all computers except one --- this one computer stays at the "Connecting..." stage for a ...
- 1,602
2
votes
0
answers
891
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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 ...
2
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0
answers
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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 ...
- 121
2
votes
0
answers
611
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Linux Distro with PPTP/L2TP client support and IP Forwarding
I'm looking for a lightweight linux distro with a nice web based front end that I can throw on a VM to act as a secondary gateway out of my network through a VPN. I currently have a debian VM with ip ...
- 21
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0
answers
450
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Sharing L2TP VPN on OSX with natd
I want to share a VPN connection that has been established by my Mac OS X 10.7.2 computer with another machine in my network. This is what I did:
In the /etc/hostcongig file on the main computer I ...
- 21
1
vote
1
answer
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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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vote
1
answer
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Why is xl2tpd / pppd adding a route for 192.0.0.0/8 after bringing up the link?
I am establishing an l2tp connection with IPSEC between two hosts and when the link comes up a route is added on the client side for 192/8 pointing out the newly established ppp interface. I can find ...
- 515
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vote
2
answers
520
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Access L2TP over IPSec VPN using OpenVPN on Mac?
Is this possible? To connect to L2TP VPN using OpenVPN on Mac?
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vote
1
answer
372
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Cannot get Wireguard client configuration to work with tplink 605 vpn l2tp server
At home I have a tplink 605 router/vpn server. I have set up a preshared key l2tp server for incoming traffic. I've had this working with my iphone using its vpn capability.
I'm now trying to set up ...
- 123
1
vote
2
answers
803
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 ...
- 2,507
1
vote
3
answers
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 ...
- 11
1
vote
1
answer
432
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OS X: how to figure out what prevents L2TP/IPSec from running correctly
It seems that an old installation of Cisco Anyconnect prevents the OS X built-in L2TP/IPSec client from running (I posted a question here: OS X 10.7, can't log into any L2TP VPN server, but didn't ...
- 1,758
1
vote
1
answer
567
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L2TP problems on Mac
It seems there are consistent problems with establishing VPN connection to L2TP-VPN on Mac. It is working for the first time, but after you are disconnected, you are unable to re-connect again for ...
Grega Milcinski
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0
answers
191
views
VPN tunnel between two routers is not working
I have two VPN routers (ER605). I have set up L2TP server on router 1 and I can connect to it from my phone and other devices. I want to connect router 2 to router 1 and route all my traffic through ...
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vote
0
answers
190
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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 ...
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1
vote
1
answer
3k
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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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1
vote
1
answer
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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
0
answers
148
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 ...
- 111
1
vote
1
answer
3k
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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
1
answer
591
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 ...
- 136
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vote
0
answers
173
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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....
- 111
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vote
0
answers
4k
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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 /...
- 316
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vote
0
answers
863
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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 ...
1
vote
0
answers
123
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I can't communication with PCs behind my VPN server
My scenario is:
Local net = 192.168.0.0/24
GW and VPN server = 192.168.0.3
Reserved IP for VPN clients = 192.168.0.87 to 99
I'm using OpenSWAN + xl2tpd + PPP on Debian "Squeeze" 6.0.5 with kernel 2....
- 11
1
vote
0
answers
372
views
Send local IP from VPN instead of remote IP
I'm trying to setup a server with L2TP and Apache. Some folders in the Apache config will only be accessible to those connected to the VPN.
I do know that I can use the allow and deny rules with the ...
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0
votes
2
answers
1k
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 ...
- 111
0
votes
1
answer
5k
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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 ...
- 1,666
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votes
2
answers
1k
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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. ...
- 3
0
votes
1
answer
4k
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 ...
- 191
0
votes
1
answer
4k
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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0
votes
2
answers
6k
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 ...
- 119
0
votes
1
answer
2k
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 ...
- 1
0
votes
2
answers
3k
views
Openswan L2TP/IPsec VPN for iPhone fails during connection
I spent the morning trying to configure an L2TP/IPsec VPN using Openswan and xl2tpd on a Debian Squeeze server for use by a mix of iOS and Mac clients. I am trying to set it up using pre-shared keys ...
- 121
0
votes
1
answer
4k
views
setup L2TP on Ubuntu 10.10
I'm following this guide to setup a VPS on my Ubuntu VPS:
http://riobard.com/blog/2010-04-30-l2tp-over-ipsec-ubuntu/
My config files are setup as in that guide, openswan version is 2.6.26 I think..
...
- 1,773