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Questions tagged [ipsec]

Internet Protocol Security (IPsec)

102 questions
30
votes
2 answers

Where to add the Pre-Shared Key for the Server Authentication with Network Manager for L2TP/IPSEC?

Previously, I was trying to figure out how to install the L2TP/IPSEC manager code. I guess Ubuntu/Canonical switched away from OpenSwan to StrongSwan, but didn't really announce it. So that was figured out in this AskUbuntu question: L2TP IPsec VPN…
Pretzel
  • 476
13
votes
2 answers

VPN L2TP/IPSec client on Ubuntu 16.04 VPN service failed to start

On Ubuntu 16.04, I've already followed a couple of tutorials to rebuild network-manager, also installed via apt-get install network-manager-l2tp network-manager-l2tp-gnome. It was working until yesterday, when a random message saying The VPN…
Fabiano
  • 243
13
votes
1 answer

What am I doing wrong with racoon on ubuntu precise?

I have a working racoon ipsec vpn setup on an ubuntu lucid server. To set it up, I just did an apt-get on the ipsectools package and configured the racoon.conf file. If I take the exact same steps, but also install the racoon package in precise…
simon
  • 241
9
votes
4 answers

L2TP / IPSec failing to connect (Kubuntu 17.10)

I'm trying to connect to the corporate VPN from Kubuntu 17.10. I have network-manager-l2tp installed (version 1.2.8). The output I'm getting: Nov 28 17:20:48 T460 NetworkManager[667]: initiating Main Mode IKE_SA…
Vanessa Deagan
  • 1,139
8
votes
1 answer

VPN to office without routing all internet traffic

I'm using the Gnome Network manager to connect to my office VPN. It's using StrongSwan IPSec. It connects fine, but all my internet traffic is routed through the office. I don't want this, I only want to see the IP addresses of my office without…
psiphi75
  • 976
7
votes
1 answer

Is L2TP over IPsec possible in Ubuntu 16.04 LTS?

I am trying to connect to a VPN via L2TP over IPsec in Ubuntu 16.04. I know a small handful of posts here and bug reports have begun to document this issue, but I believe my experience, if somewhat naive, may add to the discussion, and perhaps I am…
Karl
  • 71
6
votes
1 answer

Unable to connect L2TP IPSec VPN from ubuntu 16.04

I am trying to connect L2TP IPSec VPN connection from my Ubuntu 16.04 laptop. Every time I am facing same error since the same credentials working properly to connect VPNs server from any windows system. Can anyone guide me to resolve this…
Pratip Ghosh
  • 61
  • 1
  • 1
  • 2
6
votes
1 answer

L2TP IPsec VPN client on Ubuntu Desktop 16.04

I try to setup a vpn client on my ubuntu desktop. I know that some packet are now deprecated and not supported in 16.04. I've tried to run sudo apt-get install strongswan network-manager-strongswan like suggested this link but it doesn't seems to…
0x1gene
  • 161
5
votes
1 answer

Openswan's ipsec verify fails on "Two or more interfaces found, checking IP forwarding"

I'm trying to set an L2TP/IPsec VPN. I have installed openswan from the repository on Ubuntu 13.04 Section: universe/net Architecture: amd64 Version: 1:2.6.38-1 and configured it following the community docs. # cat /etc/ipsec.conf config setup …
Damn Terminal
  • 2,776
4
votes
2 answers

Creating TUN device for IPSEC

Is it possible to create a separate device (like tun made by openvpn) for ipsec? If yes how can I do it?
bonzi
  • 824
4
votes
2 answers

How to setup Strongswan to auth to LDAP?

I'm trying to create an L2TP/IPSEC VPN server in 20.04 that uses LDAP for user authentication. I'm assuming Strongswan does this. Where, in Strongswan or other configs would I add the LDAP server info? Or does it just use SSSD or PAM or something…
Chemdream
  • 153
3
votes
0 answers

Module xfrm_user is in use

I've installed Openswan in Ubuntu 14.04 using sudo apt-get install l2tp-ipsec-vpn Upon configuration for accessing my client VPN network (every time I had to change the password as it is dynamic), I used to restart ipsec and xl2tpd using the…
Manoj Paul
  • 131
  • 1
3
votes
0 answers

L2TP/IPsec NetworkManager plugin using only username, password and PSK

I've Googled around and found three GUI methods to configure L2TP/IPsec VPN (the last of which is not a NM plugin, but a standalone program): network-manager-l2tp I'd have preferred to use this even if it's been declared unmaintaned on it's GitHub…
Oxwivi
  • 18,499
3
votes
1 answer

Juju action requirement missing. Why?

I'm having a lot of trouble with passing the required parameters to a Juju Action. This is the contents of my actions.yaml: create-root-cert: description: "Generate a Root CA Certificate" params: subject: type: object …
benileo
  • 175
  • 6
3
votes
1 answer

VPN between Ubuntu server (14.04.1 LTS ) AND Cisco ASA 5510

I have an Ubuntu server (14.04.1 LTS ) that should connect to a Cisco ASA 5510 (Adaptive Security Appliance). I have tried - to use Racoon without any success. Not even phase 1 is successful. The topology looks like this; The Cisco ASA 5510…
mwangi
  • 151
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