Just updated to 22.04, L2TP VPN refuses to work

VPN
1

EDIT: the way I solved my VPN issues in Pop-!OS 22.04 (Maybe System76 will have fixes for that in the future, but for now this works for me)

Solution for L2TP VPN (thank you u/log2x_johnshi )

sudo apt remove --purge xl2tpd

wget http://archive.ubuntu.com/ubuntu/pool/universe/x/xl2tpd/xl2tpd_1.3.12-1.1_amd64.deb

sudo dpkg -i xl2tpd\_1.3.12-1.1\_amd64.deb

sudo apt install network-manager-l2tp network-manager-l2tp-gnome

sudo reboot

Solution for OpenVPN (source**) :**Note: this disables some layers of security, maybe there is a better fix out there, I will edit my post as time goes by

  1. Export your vpn connection (replace “MyVPN” with the actual name of your VPN):
    nmcli c export "MyVPN" > "~/MyVPN.ovpn"
  2. Edit the exported file and add these 2 lines
    tls-cipher "DEFAULT:@SECLEVEL=0"remote-cert-tls server
  3. Re-import the VPN in the GUI (you might have to re-enter your credentials afterwards)
    nmcli c import type openvpn file "MyVPN.ovpn"

​

Original post:

I just updated to 22.04, and I love it, many small annoyances are now fixed (like Bluetooth headset issues) but for a reason I can’t understand, the L2TP VPN refuses to work…Other types of VPN work fine.

I worked on monday on 21.10 and stopped working after 22.04 update…

Tried re-creating the connexion, won’t connect, no clear error message

Am I alone?

2

I haven’t started troubleshooting yet, but my VPN also stopped working with 22.04

3

I am having the same issue, but the solution below only works for a little while.
Then the connection is lost again.

Also, I can’t access the remote network so it’s not connecting properly, the failure seems only delayed…

4

I had soved like this:

  1. sudo apt remove --purge xl2tpd
  2. sudo dpkg -i xl2tpd_1.3.12-1.1_amd64.deb
  3. http://archive.ubuntu.com/ubuntu/pool/universe/x/xl2tpd/xl2tpd\_1.3.12-1.1\_amd64.deb
  4. sudo apt install network-manager-l2tp network-manager-l2tp-gnome
  5. reboot
5

[This comment has been deleted in response to the new Reddit API Policy in 2023]

6

The commands listed earlier fixed L2TP VPNs for me, but for some reason, today I realized that OpenVPN connections do not work anymore and they were working before I fixed L2TP.

Fortinet SSL vpns are working fine with the openfortivpn client

7

Just want to chime in my Wireguard VPN connection stopped working after the upgrade. But can do IKEV2 just fine.

8

Same is happening to me. The fix only works for a couple days.

9

Did you turn-off IPV6 ? Never had a stable connection using IPv6, on any system!

10

Your solution worked with a little tweaking, but I am really unsure about the fact that the link is not secure…

Here is the exact commands, in the order that I used them to fix it:

sudo apt remove --purge xl2tpd

wget http://archive.ubuntu.com/ubuntu/pool/universe/x/xl2tpd/xl2tpd_1.3.12-1.1_amd64.deb

sudo dpkg -i xl2tpd\_1.3.12-1.1\_amd64.deb

sudo apt install network-manager-l2tp network-manager-l2tp-gnome

sudo reboot

Thanks again!

11

Can confirm this works. Just swap #3 and #2

12

Ok, informations from this page helped me fix OpenVPN connexions! yay!

13

Hi, nice idea, I never had to change anything, but I tried to disable it on the VPN connection only.

(no effect…)

Did you mean to disable IPv6 on my main wired connection?