websock server - Case 1.2.8 : Pass - 24 ms @ 2026-03-07T18:26:05.083Z
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 /ws HTTP/1.1 User-Agent: AutobahnTestSuite/25.10.1-0.10.9 Host: 127.0.0.1:8888 Upgrade: WebSocket Connection: Upgrade Pragma: no-cache Cache-Control: no-cache Sec-WebSocket-Key: BpcMkmJpGWYnNiojon0OYQ== Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols Date: Sat, 07 Mar 2026 18:26:05 GMT Connection: Upgrade Upgrade: websocket Sec-Websocket-Accept: XHl/wW/7bL1+sKvflhAgneDwbpI=
| 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 |
| 65536 | 1 | 65536 |
| Total | 4 | 65716 |
| Chop Size | Count | Octets |
| 8 | 1 | 8 |
| 244 | 1 | 244 |
| 745 | 1 | 745 |
| 997 | 65 | 64805 |
| Total | 68 | 65802 |
| Opcode | Count |
| 2 | 1 |
| 8 | 1 |
| Total | 2 |
| Opcode | Count |
| 2 | 1 |
| 8 | 1 |
| Total | 2 |
000 TX OCTETS: 474554202f777320485454502f312e310d0a557365722d4167656e743a204175746f6261686e5465737453756974652f3235
2e31302e312d302e31302e390d0a ...
001 RX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a446174653a205361742c203037204d61
7220323032362031383a32363a30 ...
002 TX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASK=87ae9374, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefefe ...
003 TX OCTETS: 82ff000000000001000087ae937479506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
006 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
007 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
008 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
009 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
010 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
011 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
012 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
013 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
014 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
015 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
016 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
017 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
018 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
019 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
020 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
021 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
022 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
023 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
024 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
025 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
026 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
027 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
028 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
029 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
030 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
031 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
032 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
033 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
034 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
035 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
036 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
037 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
038 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
039 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
040 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
041 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
042 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
043 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
044 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
045 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
046 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
047 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
048 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
049 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
050 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
051 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
052 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
053 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
054 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
055 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
056 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
057 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
058 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
059 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
060 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
061 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
062 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
063 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
064 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
065 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
066 TX OCTETS: 79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a7950
6d8a79506d8a79506d8a79506d8a ...
067 TX OCTETS: 506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d
8a79506d8a79506d8a79506d8a79 ...
068 TX OCTETS: 6d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a
79506d8a79506d8a79506d8a7950 ...
069 TX OCTETS: 8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79506d8a79
506d8a79506d8a79506d8a79506d ...
070 RX OCTETS: 827f0000000000010000fefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefe ...
071 RX OCTETS: fefefefefefefefefefe
072 RX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASKED=False, MASK=None
0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefefe ...
073 TX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASK=257e1938, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
0x03e8
074 TX OCTETS: 8882257e19382696
075 RX OCTETS: 880203e8
076 RX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASKED=False, MASK=None
0x03e8
077 TCP DROPPED BY PEER