Re: [Openvpn-users] OpenVPN tunnel stopped working (no traffic) after upgrade to OpenVPN 2.7 (Fedora 44)

Hi Piotr,

On 14/05/2026 10:52, Gert Doering wrote:
> Hi,
> 
> On Thu, May 14, 2026 at 10:22:14AM +0200, Antonio Quartulli wrote:
>> Have you tried running tcpdump on on the other end to see if pings are
>> received or not? Just to understand where packets are getting stuck.
> 
> This (and also on the local LAN interface to see if they are actually
> getting out).
> 
> Might there be some new firewalling stuff involved that does not know
> how to deal with ovpn interfaces?  I do not know enough about Linux,
> except that every new version of certain distros breaks things that
> have worked nicely for 20+ years... be it SELinux, AppArmor, NFT, ...
> 

We have also tried to reproduce the issue locally on a Fedora 44 with no 
luck. It seems to be working fine here.

Therefore it may be something specific to your configuration or setup.

Among all other things, could you please provide your OpenVPN config 
file so that we can check if there is any option leading to this issue?

Thanks


-- 
Antonio Quartulli