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30
votes
2answers
48k views

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 ...
13
votes
1answer
18k views

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 ...
6
votes
4answers
3k views

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. ...
5
votes
1answer
5k 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 ...
4
votes
1answer
6k 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,...
3
votes
1answer
1k 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 ...
2
votes
2answers
3k 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 ...
2
votes
2answers
6k 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. ...
2
votes
0answers
416 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 ...
2
votes
0answers
392 views

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 ...
1
vote
1answer
1k views

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 ...
1
vote
2answers
459 views

Access L2TP over IPSec VPN using OpenVPN on Mac?

Is this possible? To connect to L2TP VPN using OpenVPN on Mac?
1
vote
3answers
1k 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 ...
1
vote
1answer
260 views

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
vote
2answers
4k views

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
vote
1answer
9k views

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
vote
1answer
401 views

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 ...
1
vote
0answers
25 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
0answers
265 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 ...
1
vote
0answers
447 views

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 ...
1
vote
0answers
104 views

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 ...
1
vote
0answers
283 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 ...
0
votes
2answers
1k 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 ...
0
votes
2answers
557 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 ...
0
votes
1answer
733 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 ...
0
votes
1answer
2k 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 ...
0
votes
1answer
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.. ...
0
votes
0answers
688 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
213 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 ...
0
votes
0answers
24 views

Problems with routing/firewalling with L2TP / IPSec

I have racoon configured for VPN along with L2TP (PAM auth), and I plan on using this for multiple users. My racoon.conf is: path include "/etc/racoon"; path pre_shared_key "/etc/racoon/psk.txt"; ...
0
votes
0answers
95 views

Ubuntu Openswan VPN L2TP over IPSEC Local Network Traffic not encrypted

i use L2TP over Ipsec with the openswan implementation on Ubuntu 14.04. My VPN configuration works well. The traffic to external sites is encrypted by the ipsec tunnel as expected. But my problem is ...
0
votes
0answers
86 views

L2TP over IPsec VPN on Red Hat 6.5

I need to connect a Red Hat 6.5 desktop to a L2TP over IPsec VPN.  (I know the IP address of the VPN server, a user name and the corresponding password.) I can make a successful connection from ...
0
votes
1answer
120 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 ...
0
votes
0answers
379 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 ...
0
votes
0answers
139 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
0answers
293 views

racoon IPSec/L2TP Client

I try to configure a racoon IPSec/L2TP client to connect a Windows 2003 server. The server is originally intended to be used with Windows XP clients (successfully tested with Windows XP SP3 but doesn'...
0
votes
1answer
102 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 ...
0
votes
1answer
326 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
votes
1answer
49 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,...
0
votes
1answer
219 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 ...
0
votes
0answers
3k 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 ...
0
votes
0answers
953 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
votes
1answer
943 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. ...