error: wrong version number

Viktor Dukhovni openssl-users at
Mon Jul 11 04:16:56 UTC 2022

On Sun, Jul 10, 2022 at 02:41:23PM +0000, loic nicolas wrote:

> I am trying to connect my client to my server but I always receive an
> error.(ssl3_get_record:wrong version
> number:../ssl/record/ssl3_record.c:331)
> How can I get more information about the error and fix it? (the error
> is probably in my client)

Indeed, the client's packet to the server is not a TLS Record.

> openssl s_server -accept -key server.key -cert server.cert -msg
> <<< ??? [length 0005]
>     20 ae c0 2e d6

Whatever the client is doing, it isn't starting a TLS session with a
TLS handshake record containing a TLS client HELLO.


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