Hi benjarrell,
Support for SSL/TLS in SecureCRT and SecureFX comes from the SChannel libraries that are built in to the Windows operating system on which SecureCRT/SecureFX are installed.
There are a number of resources available from Microsoft sites that can help guide you though configuration of Schannel settings.
- This link provides steps needed to configure Schannel to support SSL/TLS specific versions.
- Information describing which versions of the Windows operating system provide support for various SSL/TLS versions can be found here.
- This link is the ultimate resource for all settings related to Schannel on Windows.
Does this information help get you the behavior you're looking for?