| Value | Meaning |
|---|---|
| purposeFulfilled1000 | |
| goingAway1001 | |
| protocolError1002 | |
| unacceptableData1003 | |
| Reserved1004 | |
| noStatusCodePresent1005 | |
| abnormalClosure1006 | |
| inconsistentData1007 | |
| genericPolicyViolation1008 | |
| messageTooBig1009 | |
| clientRequiredExtensionMissing1010 | |
| unnexpectedCondition1011 | |
| unverifiedCertificate1015 |
See https://www.rfc-editor.org/rfc/rfc6455#section-7.4.1 for details.