I’ve seen your message have you tried using the beta version? Here is the link https://www.stunnel.org/downloads/beta/stunnel-5.73b1-win64-installer.exe for added protection you could put your Stunnel behind Cloudflare Argo and force them only use TLS latest updated version to stop your vulnerability security concerns. The benefits doing this would be mean able to use any port number on cloudflare or point to anywhere your stunnel are located privately. This would mean would have own gateway plus tunnels running side by side. We do this within our networks. This works brilliantly. If you have anymore questions please don’t hesitate to reach out to me.

Sent from my iPhone.

On 24 Apr 2024, at 6:39 PM, Heyes, Chad (Coral Springs) via stunnel-users <stunnel-users@stunnel.org> wrote:

Hello,

We have a number of clients currently using stunnel to communicate securely from emulator software to our Unisys host. We have been coordinating with them when stunnel need to be updated. Is there a plan to update stunnel version anytime soon? I understand that it may be a ‘last minute’ decision based on security vulnerabilities. However, any advance notice would be helpful.

Thanks,

Chad Heyes

Software Architect, Advisory

Product Development, Bank Solutions

Fiserv

www.fiserv.com

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