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Ok anyone who can manage to contain their laughter for a minute, help me out with this. I need exactly what's in the title. Due to the deprecation of TLS1.0 and SSL3, we're disabling both on our web server that receives status information from hundreds of systems across the country via HTTPS. Some of the systems run Windows 7, some Windows XP. All of them run applications built in LV 2012sp1. In the past we've used the NI HTTP client VIs, which work well, and still work for some (?) Win7 systems. They don't work for the Windows XP systems. Are these VI's just a wrapper for the OS's HTTP client (IE)? We've also been down the .net WebRequest path, but from what I can tell the webclient class doesn't support any security protocols past TLS1.0, at least not in .net 2.0, and the HTTPClient class wasn't introduced until .net 4.5, which LV doesn't support, at least not in 2012 sp1. Lastly, we're considering the Encryption Compendium being offered in the JKI package manager, but it's 629 pounds, and if there's a way to do this without it, it would be preferred. Also we're not sure it would work with the given constraints. Has anyone used it/know anything about it? Any help is appreciated.