func (ep Endpoint) getConfigForClient(info *tls.ClientHelloInfo) (*tls.Config, error) {
  if len(info.ServerName) == 0 {
    return nil, nil
  } else {
    tlsConfig, err := ep.getTlsServerConfig(info.ServerName)
    if err == nil {
      tlsConfig.ServerName = info.ServerName
    }

    return tlsConfig, err
  }
}

Handshake Protocol: Client Hello
    Handshake Type: Client Hello (1)
    Length: 275
    Version: TLS 1.2 (0x0303)
    Random: 67d628701660d6757d4dfec28be789e814562e5a7d262d0620af145ecb6de416
    Session ID Length: 32
    Session ID: 66f5bfd5bb08c5d661af3e871679762b8503b6c8dda9e8feaa754db71ad5d70e
    Cipher Suites Length: 38
    Cipher Suites (19 suites)
    Compression Methods Length: 1
    Compression Methods (1 method)
    Extensions Length: 164
    Extension: server_name (len=41)
        Type: server_name (0)
        Length: 41
        Server Name Indication extension
            Server Name list length: 39
            Server Name Type: host_name (0)
            Server Name length: 36
            **Server Name: nf.5gc.mnc001.mcc001.3gppnetwork.org**
    Extension: status_request (len=5)
    Extension: supported_groups (len=10)
    Extension: ec_point_formats (len=2)
    Extension: signature_algorithms (len=26)
    Extension: renegotiation_info (len=1)
    Extension: signed_certificate_timestamp (len=0)
    Extension: supported_versions (len=5)
    Extension: key_share (len=38)

Handshake Protocol: Server Hello
    Handshake Type: Server Hello (2)
    Length: 51
    Version: TLS 1.2 (0x0303)
    Random: 382582267f10d66eefc38ea031534a6d92eac6493dace867978e4993566b1702
    Session ID Length: 0
    Cipher Suite: TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256 (0xc02f)
    Compression Method: null (0)
    Extensions Length: 11
    Extension: renegotiation_info (len=1)
        Type: renegotiation_info (65281)
        Length: 1
        Renegotiation Info extension
            Renegotiation info extension length: 0
    Extension: ec_point_formats (len=2)
        Type: ec_point_formats (11)
        Length: 2
        EC point formats Length: 1
        Elliptic curves point formats (1)
            EC point format: uncompressed (0)