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  • Handshake from Wireshark:
    Espruino - Client Hello:

       TLSv1.2 Record Layer: Handshake Protocol: Client Hello
        Content Type: Handshake (22)
        Version: TLS 1.0 (0x0301)
        Length: 49
        Handshake Protocol: Client Hello
            Handshake Type: Client Hello (1)
            Length: 45
            Version: TLS 1.2 (0x0303)
            Random: 30de5c92dbfd4ddcb00fa82fed023683b8b89978­8e0e189e...
                GMT Unix Time: Dec 25, 1995 11:10:58.000000000 RTZ 2 (зима)
                Random Bytes: dbfd4ddcb00fa82fed023683b8b899788e0e189e­3b5f5a72...
            Session ID Length: 0
            Cipher Suites Length: 6
            Cipher Suites (3 suites)
                Cipher Suite: TLS_RSA_WITH_AES_256_CBC_SHA256 (0x003d)
                Cipher Suite: TLS_RSA_WITH_AES_128_CBC_SHA256 (0x003c)
                Cipher Suite: TLS_EMPTY_RENEGOTIATION_INFO_SCSV (0x00ff)
            Compression Methods Length: 1
            Compression Methods (1 method)
                Compression Method: null (0)

    Tomcat 9.13 - Handshake Failure:

       TLSv1.2 Record Layer: Alert (Level: Fatal, Description: Handshake Failure)
        Content Type: Alert (21)
        Version: TLS 1.2 (0x0303)
        Length: 2
        Alert Message
            Level: Fatal (2)
            Description: Handshake Failure (40)

    Maybe the problem is due to version: TLS 1.0 (0x0301)?
    or Random (GMT Unix Time)?
    or Cipher Suites ?


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