websock server - Case 1.2.8 : Pass - 22 ms @ 2025-12-05T02:26:20.960Z
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: FhMVZUYMpc6HzFIL1yjaEA== Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols Date: Fri, 05 Dec 2025 02:26:20 GMT Upgrade: websocket Connection: Upgrade Sec-Websocket-Accept: e9+pFBE1twX631qg/LWvdcmX1Oo=
| 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: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a446174653a204672692c203035204465
6320323032352030323a32363a32 ...
002 TX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASK=aa217acb, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
fefefefefefefefefefefefefefefe ...
003 TX OCTETS: 82ff0000000000010000aa217acb54df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
006 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
007 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
008 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
009 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
010 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
011 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
012 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
013 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
014 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
015 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
016 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
017 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
018 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
019 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
020 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
021 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
022 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
023 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
024 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
025 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
026 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
027 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
028 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
029 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
030 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
031 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
032 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
033 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
034 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
035 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
036 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
037 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
038 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
039 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
040 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
041 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
042 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
043 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
044 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
045 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
046 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
047 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
048 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
049 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
050 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
051 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
052 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
053 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
054 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
055 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
056 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
057 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
058 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
059 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
060 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
061 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
062 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
063 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
064 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
065 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
066 TX OCTETS: 54df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df
843554df843554df843554df8435 ...
067 TX OCTETS: df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df84
3554df843554df843554df843554 ...
068 TX OCTETS: 843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df8435
54df843554df843554df843554df ...
069 TX OCTETS: 3554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554df843554
df843554df843554df843554df84 ...
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=1b615d23, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
0x03e8
074 TX OCTETS: 88821b615d231889
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