websock secure server - Case 1.2.8 : Pass - 29 ms @ 2026-06-02T16:12:14.253Z
Case Description
Send binary message message with payload of length 65536. Sent out data in chops of 997 octets.
Case Expectation
Receive echo'ed binary message (with payload as sent). Clean close with normal code.
Case Outcome
Actual events match at least one expected.
Expected:
{'OK': [('message', '0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe ...', True)]}
Observed:
[('message', '0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe ...', True)]
Case Closing Behavior
Connection was properly closed (OK)
GET /wss HTTP/1.1 User-Agent: AutobahnTestSuite/25.10.1-0.10.9 Host: 127.0.0.1:8889 Upgrade: WebSocket Connection: Upgrade Pragma: no-cache Cache-Control: no-cache Sec-WebSocket-Key: Xn4u//c8KiS03fCWXPPhYg== Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols Date: Tue, 02 Jun 2026 16:12:14 GMT Connection: Upgrade Upgrade: websocket Sec-Websocket-Accept: dZ36escUB987+16hhRCL8LARv28=
| Key | Value | Description |
| isServer | False | True, iff I (the fuzzer) am a server, and the peer is a client. |
| closedByMe | True | True, iff I have initiated closing handshake (that is, did send close first). |
| failedByMe | False | True, iff I have failed the WS connection (i.e. due to protocol error). Failing can be either by initiating closing handshake or brutal drop TCP. |
| droppedByMe | False | True, iff I dropped the TCP connection. |
| wasClean | True | True, iff full WebSocket closing handshake was performed (close frame sent and received) _and_ the server dropped the TCP (which is its responsibility). |
| wasNotCleanReason | None | When wasClean == False, the reason what happened. |
| wasServerConnectionDropTimeout | False | When we are a client, and we expected the server to drop the TCP, but that didn't happen in time, this gets True. |
| wasOpenHandshakeTimeout | False | When performing the opening handshake, but the peer did not finish in time, this gets True. |
| wasCloseHandshakeTimeout | False | When we initiated a closing handshake, but the peer did not respond in time, this gets True. |
| localCloseCode | 1000 | The close code I sent in close frame (if any). |
| localCloseReason | None | The close reason I sent in close frame (if any). |
| remoteCloseCode | 1000 | The close code the peer sent me in close frame (if any). |
| remoteCloseReason | None | The close reason the peer sent me in close frame (if any). |
| Chop Size | Count | Octets |
| 4 | 1 | 4 |
| 10 | 1 | 10 |
| 166 | 1 | 166 |
| 16384 | 4 | 65536 |
| Total | 7 | 65716 |
| Chop Size | Count | Octets |
| 8 | 1 | 8 |
| 245 | 1 | 245 |
| 745 | 1 | 745 |
| 997 | 65 | 64805 |
| Total | 68 | 65803 |
| Opcode | Count |
| 2 | 1 |
| 8 | 1 |
| Total | 2 |
| Opcode | Count |
| 2 | 1 |
| 8 | 1 |
| Total | 2 |
000 TX OCTETS: 474554202f77737320485454502f312e310d0a557365722d4167656e743a204175746f6261686e5465737453756974652f32
352e31302e312d302e31302e390d ...
001 RX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a446174653a205475652c203032204a75
6e20323032362031363a31323a31 ...
002 TX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASK=578ff19d, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefefe ...
003 TX OCTETS: 82ff0000000000010000578ff19da9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
006 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
007 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
008 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
009 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
010 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
011 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
012 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
013 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
014 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
015 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
016 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
017 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
018 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
019 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
020 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
021 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
022 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
023 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
024 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
025 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
026 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
027 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
028 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
029 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
030 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
031 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
032 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
033 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
034 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
035 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
036 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
037 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
038 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
039 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
040 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
041 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
042 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
043 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
044 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
045 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
046 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
047 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
048 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
049 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
050 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
051 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
052 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
053 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
054 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
055 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
056 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
057 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
058 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
059 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
060 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
061 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
062 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
063 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
064 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
065 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
066 TX OCTETS: a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a971
0f63a9710f63a9710f63a9710f63 ...
067 TX OCTETS: 710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f
63a9710f63a9710f63a9710f63a9 ...
068 TX OCTETS: 0f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63
a9710f63a9710f63a9710f63a971 ...
069 TX OCTETS: 63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9710f63a9
710f63a9710f63a9710f63a9710f ...
070 RX OCTETS: 827f0000000000010000fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefe ...
071 RX OCTETS: fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefe ...
072 RX OCTETS: fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefe ...
073 RX OCTETS: fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefe ...
074 RX OCTETS: fefefefefefefefefefe
075 RX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASKED=False, MASK=None
0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefefe ...
076 TX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASK=889cf903, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
0x03e8
077 TX OCTETS: 8882889cf9038b74
078 RX OCTETS: 880203e8
079 RX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASKED=False, MASK=None
0x03e8
080 TCP DROPPED BY PEER