// Personal website of Chris Smith

TLS » Alert codes

Code Meaning
0 Close notify
10 Unexpected message
20 Bad record MAC
21 Decryption failed
22 Record overflow
30 Decompression failed
40 Handshake failed
41 No certificate (SSL 3.0)
42 Certificate is bad
43 Certificate is not supported
44 Certificate was revoked
45 Certificate is expired
46 Unknown certificate
47 Illegal parameter
48 CA is unknown
49 Access was denied
50 Decode error
51 Decrypt error
60 Export restriction
70 Error in protocol version
71 Insufficient security
80 Internal error
86 Inappropriate fallback
90 User canceled
100 No renegotiation is allowed
109 An extension was expected but was not seen
110 An unsupported extension was sent
111 Could not retrieve the specified certificate
112 The server name sent was not recognized
115 The SRP/PSK username is missing or not known
116 Certificate is required
120 No supported application protocol could be negotiated