'''[https://www.stunnel.org/%|%stunnel]''' is a program written in [C] that
provides an encrypted layer over an existing [socket].



** Description **

`stunnel` translates data between an encrypted connection and an unencrypted
connection.  Thus, it is with [http] and other servers.


[PYK] 2018-05-30:  The documentation for '''accept''' states:

    :   ''If no host specified, defaults to all IPv4 addresses for the local host.''
        
But in that case stunnel actually binds to `127.0.0.1`.  To listen on all
address, use the wildcard address explicitly:

======none
[https]
accept = 0.0.0.0:443
connect = 80
cert = /etc/stunnel/stunnel.pem
======




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