Public bug reported:
As openvpn 2.5 is EOL starting July 2024 (in days) I upgraded our
servers to 2.6
I was then not able to connect to the openvpn server using Network
Manager (2.5 server was fine)
I could still connect via cli.
I found the issue was the fact Network Manager has no concept of data-
ciphers - cli connected even without a data-ciphers line.
I eventually found out how to fix this (randomly)
I found the netplan file associated with the vpn connection - in my case
/etc/netplan/90-NM-593c9490-1bcc-4063-97e8-9a42ae7faa3c.yaml
I edited it and added a line (I randomly guessed this would work)
vpn.data-ciphers:
"AES-256-CBC:AES-256-GCM:AES-128-GCM:CHACHA20-POLY1305"
Then applied netplan and restarted NetworkManager
And now I can connect...
Seeing as now any versions openvpn below 2.6 are EOL shouldn't network
manager be fixed fairly soon ?
Also if I then make any changes in Network manager to the vpn profile it
breaks it (by removing the line)
(is this an issue with sticking with Plasma 5.x also ?
More info found in (this is gnome, but still network manager)
https://gitlab.gnome.org/GNOME/NetworkManager-openvpn/-/issues/97
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: network-manager-openvpn 1.10.2-4build2
ProcVersionSignature: Ubuntu 6.8.0-36.36-generic 6.8.4
Uname: Linux 6.8.0-36-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.28.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: KDE
Date: Thu Jun 27 16:01:34 2024
InstallationDate: Installed on 2023-10-12 (259 days ago)
InstallationMedia: Kubuntu 23.10 "Mantic Minotaur" - Release amd64 (20231010)
SourcePackage: network-manager-openvpn
UpgradeStatus: Upgraded to noble on 2024-05-31 (27 days ago)
** Affects: network-manager-openvpn (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2071366
Title:
Network Manager openvpn (24.04 ) doesn't work with openvpn 2.6 (2.5
is EOL in days) - no data-ciphers options
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