A proxy designed to add TLS encryption to existing clients and servers

Stunnel

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Stunnel 5.57

  -  2.73 MB  -  Open Source
Free Download

Security Status

  • Latest Version

    Stunnel 5.73

  • Operating System

    Windows 7 64 / Windows 8 64 / Windows 10 64

  • User Rating

    Click to vote

  • Author / Product

    Michał Trojnara / External Link

  • Filename

    stunnel-5.57-win64-installer.exe

  • MD5 Checksum

    7e8c9e63411b4a28648f7dd4e37fe5bf

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of Stunnel 5.57.


For those interested in downloading the most recent release of Stunnel or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


We would love to hear from you

If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download Stunnel 5.57

  • Stunnel 5.57 Screenshots

    The images below have been resized. Click on them to view the screenshots in full size.

    Stunnel 5.57 Screenshot 1

What's new in this version:

Security bugfixes:
- The "redirect" option was fixed to properly handle "verifyChain = yes" (thx to Rob Hoes)
- OpenSSL DLLs updated to version 1.1.1h

New features:
- New securityLevel configuration file option
- FIPS support for RHEL-based distributions
- Support for modern PostgreSQL clients (thx to Bram Geron)
- Windows tooltip texts updated to mention "stunnel"
- TLS 1.3 configuration updated for better compatibility

Bugfixes:
- Fixed a transfer() loop bug
- Fixed memory leaks on configuration reloading errors
- DH/ECDH initialization restored for client sections
- Delay startup with systemd until network is online
- bin\libssp-0.dll removed when uninstalling
- A number of testing framework fixes and improvements

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