We've just received word from a customer that our terminal emulator fails if they disable TLS 1.0 support on their box.

That tells me that our emulator isn't supporting TLS 1.1 or later.

What needs to happen in order to change that? Do we need to recompile under a later Java release? (It may still be compiled under Java 6) Set some parameter? Unfortunately, I was quite literally not involved in the SSL support on the emulator (my responsibilities lay with getting the finer points of 5250 data stream working right).

This online doc:
tells me that Java 6 started supporting TLS 1.1 at update 111, and Java 7 supports through TLS 1.2. But it seems to talk primarily about HTTPS. (Let's face it, TN5250 is rather obscure outside of IBM Midrange circles, and Secured TN5250 doubly so!)


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