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 127.0.0.1:3000 -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. -- VIktor.