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

Stunnel
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Stunnel 5.75

  -  3.48 MB  -  Open Source
Free Download

Security Status

  • Latest Version

    Stunnel 5.76

  • Operating System

    Windows 7 64 / Windows 8 64 / Windows 10 64

  • User Rating

    Click to vote

  • Author / Product

    Michał Trojnara / External Link

  • Filename

    stunnel-5.75-win64-installer.exe

  • MD5 Checksum

    68e4f6c658a643317a70cdf1aeac8e43

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 5.75.


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 5.75
Why is this app published on FileHorse? (More info)

  • Stunnel 5.75 Screenshots

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

    Stunnel 5.75 Screenshot 1

What's new in this version:

Security bugfixes:
- OpenSSL DLLs updated to version 3.4.1
- OpenSSL FIPS Provider updated to version 3.1.2

Fixed:
- Fixed infinite loop triggered by OCSP URL parsing errors (thx to Richard Könning for reporting)
- Fixed OPENSSL_NO_OCSP build issues (thx to Dmitry Mostovoy for reporting)
- Fixed default curve selection in FIPS mode with OpenSSL 3.4+
- Fixed tests with modern Python versions
- Fixed tests with multiple OpenSSL versions installed

Features:
- Added provider URI support for "cert" and "key" options
- Added new "CAstore" service-level option (OpenSSL 3.0+)
- Added "provider" (OpenSSL 3.0+), "providerParameter" (OpenSSL 3.5+), and "setEnv" global options
- Key file/URI path added to passphrase prompt on Unix
- PKCS#11 provider installed on Windows

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