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I'm using a netty server. I don't want to enforce a specific TLS version for customers but I do want to know which TLS version is negotiated for each incoming connection to the server.
I can't find any way to determine that from the ssl handshake completion event or any other way to extract it from the handler.
Is it possible to get this information?
I don't see how it can be got from
https://netty.io/4.0/api/io/netty/handler/ssl/SslHandshakeCompletionEvent.html
https://netty.io/4.0/api/io/netty/handler/ssl/SslHandler.html
Thanks!
EDIT
I poked around a bit and found "sslHandler.engine().getSession().getProtocol()" but still need to test and see if it works.
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