1006 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint. It is designated for use in applications expecting
a status code to indicate that the connection was closed abnormally, e.g., without sending or receiving a Close control frame.
<p>
See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>.
1006 is a reserved value and MUST NOT be set as a status code in a Close control frame by an endpoint. It is designated for use in applications expecting a status code to indicate that the connection was closed abnormally, e.g., without sending or receiving a Close control frame. <p> See <a href="https://tools.ietf.org/html/rfc6455#section-7.4.1">RFC 6455, Section 7.4.1 Defined Status Codes</a>.