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Stunnel is a free multi-platform computer program, used to provide universal TLS/SSL service.

Stunnel can be used to provide secure encrypted connections for clients or servers that do not speak TLS or SSL natively. It runs on a variety of operating systems, including most Unix-like operating systems and Windows. It relies on a separate library such as OpenSSL or SSLeay to implement the underlying TLS or SSL protocol.

If linked against libwrap, it can be configured to act as a proxy-firewall service as well.

Stunnel is maintained by Michal Trojnara and Brian Hatch. Released under the terms of the GNU General Public License.
This entry uses material from from Wikipedia, the leading user-contributed encyclopedia. It is licensed under the GNU Free Documentation License. Disclaimer.