Stunnel is a software program created to allow secure client-server transfers. Its purpose is to provide encryption via SSL (secure socket layer) to inetd daemons such as POP2, POP3, and IMAP servers.
Stunnel - a free, opensource multiplatform SSL tunneling proxyprogram- "is designed to work as an SSL encryption wrapper between remote client and local (inetd-startable) or remote server. It can be used to add SSL functionality to commonly used inetd daemons like POP2, POP3, and IMAP servers without any changes in the programs' code. stunnel - man pages section 8: System Administration Commands options = SSL_OPTIONS OpenSSL library options The parameter is the OpenSSL option name as described in the SSL_CTX_set_options(3ssl) manual, but without SSL_OP_ prefix. stunnel -options lists the options found to be allowed in the current combination of stunnel and the OpenSSL library used to … FreshPorts -- security/stunnel: SSL encryption wrapper for The stunnel program is designed to work as SSL encryption wrapper between remote client and local (inetd-startable) or remote server. The concept is that having non-SSL aware dae- mons running on your system you can easily setup them to communicate with clients over secure SSL channel. stunnel can be used to add SSL functionality to commonly used inetd daemons like POP-2, POP-3 and IMAP Stunnel - Download
'--with-ssl=DIR' configure parameter expects the location of the libraries and include files in the sysroot. This means the directory containing the 'lib' and 'include' subdirectories, not the include directory itself.
stunnel: Securing the Insecure with SSL and Creating SSL
The stunnel application is a SSL encryption wrapper that can tunnel unencrypted traffic (like redis) through a SSL encrypted tunnel to another server. While stunnel adds SSL encryption it does not guarantee 100% that the traffic will never be captured unencrypted.
Using Stunnel to Encrypt Unsecure Connections | The Sysadmins Jan 31, 2011 Understanding the Difference: SSL Tunnel vs SSH Tunnel Sep 04, 2019 Configure stunnel - Server - Let's Encrypt Community Support Nov 11, 2015 4.8. Using stunnel Red Hat Enterprise Linux 7 | Red Hat