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1014 is defined, minor formatting
Source: https://github.com/larseggert/iana-assignments/blob/master/websocket/websocket.txt
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README.md
32
README.md
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# WebSocket close codes
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# WebSocket close codes
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| Close code (uint16) | Codename | Internal | Customizable | Description |
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| Close code (uint16) | Codename | Internal | Customizable | Description |
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|---------------------|-----------------------------------|----------|--------------|-----------------------------------------------------------------------------------------------|
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|---------------------|-----------------------------------|----------|--------------|-------------|
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| 0 - 999 | - | Yes | No | Unused |
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| 0 - 999 | - | Yes | No | Unused |
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| 1000 | `CLOSE_NORMAL` | No | No | Successful operation, regular socket shutdown |
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| 1000 | `CLOSE_NORMAL` | No | No | Successful operation / regular socket shutdown |
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| 1001 | `CLOSE_GOING_AWAY` | No | No | One of the socket endpoints is exiting |
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| 1001 | `CLOSE_GOING_AWAY` | No | No | An endpoint is leaving (browser tab closing) |
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| 1002 | `CLOSE_PROTOCOL_ERROR` | No | No | Error in one of the endpoints while processing a known message type |
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| 1002 | `CLOSE_PROTOCOL_ERROR` | Yes | No | Endpoint received a malformed frame |
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| 1003 | `CLOSE_UNSUPPORTED` | No | No | Endpoint received unsupported data type (text/binary) |
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| 1003 | `CLOSE_UNSUPPORTED` | Yes | No | Endpoint received an unsupported frame |
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| 1004 | - | Yes | No | Unused |
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| 1004 | | Yes | No | Reserved |
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| 1005 | `CLOSED_NO_STATUS` | Yes | No | Expected close status, received none |
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| 1005 | `CLOSED_NO_STATUS` | Yes | No | Expected close status, received none |
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| 1006 | `CLOSE_ABNORMAL` | Yes | No | No close code frame has been receieved |
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| 1006 | `CLOSE_ABNORMAL` | Yes | No | No close code frame has been receieved |
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| 1007 | *Unsupported Data* | No | No | Endpoint received inconsistent message (e.g. non-UTF8 data within a string) |
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| 1007 | *Unsupported Data* | No | No | Endpoint received inconsistent message (e.g. malformed UTF-8) |
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| 1008 | *Policy Violation* | No | No | Endpoint policy was violated, is a generic code used when codes 1003 and 1009 aren't suitable |
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| 1008 | *Policy Violation* | No | No | Generic code used for situations other than 1003 and 1009 |
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| 1009 | `CLOSE_TOO_LARGE` | No | No | Data frame size is too large |
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| 1009 | `CLOSE_TOO_LARGE` | No | No | Endpoint won't process large frame |
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| 1010 | *Missing Extension* | No | No | Client asked for extension that server didn't reply with |
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| 1010 | *Missing Extension* | No | No | Client wanted an extension which server did not reply with |
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| 1011 | *Internal Error* | No | No | Internal server error while operating |
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| 1011 | *Internal Error* | Yes | No | Internal server error while operating |
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| 1012 | *Service Restart* | No | No | Server/service is restarting |
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| 1012 | *Service Restart* | No | No | Server/service is restarting |
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| 1013 | *Server Overload/Try Again Later* | No | No | Try Again Later code; temporary server condition forced to block client's request |
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| 1013 | *Server Overload/Try Again Later* | No | No | Try Again Later code; temporary server condition forced to block client's request |
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| 1014 | - | Yes | No | Unused; reserved for later |
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| 1014 | *Bad Gateway* | No | No | Server acting as gateway received an invalid response |
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| 1015 | *TLS Handshake Fail* | Yes | No | TLS handshake failure |
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| 1015 | *TLS Handshake Fail* | Yes | No | TLS handshake failure |
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| 1016-1999 | - | Yes | No | Reserved for later |
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| 1016 - 1999 | | Yes | No | Reserved for later |
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| 2000-2999 | - | Yes | No | Reserved for websocket extensions |
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| 2000 - 2999 | | Yes | No | Reserved for websocket extensions |
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| 3000-3999 | - | Yes | Yes | Reserved for frameworks, can be registered at IANA |
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| 3000 - 3999 | | Yes | Yes | Reserved for frameworks / extensions, can be registered first come first serve at IANA |
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| 4000-4999 | - | No | Yes | Available for applications |
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| 4000 - 4999 | | No | Yes | Available for applications |
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