Hello everybody,

maybe somebody encounterd a similar problem...

Currently we migrating from IDz 15.0.4 to 16.0.6. Trying to make it as smooth as possible.

We found that new IDz Client 16 has backward compatability, we can connect to the "old" IDz Host ver.15.

But previous IDz 15 Client cannot connect to IDz Host 16, message  "gsk_secure_socket_init() failed: SSL message format is incorrect" appears.

It looks strange because we use the same ciphers and the same TLS 1.2 for both 15 and 16 versions of host and client.

Thank you in advance,

Sergey

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Sergey Telizhenko
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