Autobahn WebSocket Testsuite Report
Autobahn WebSocket

websock server - Case 1.1.8 : Pass - 4 ms @ 2026-08-25T04:35:20.952Z

Case Description

Send text message message with payload of length 65536. Sent out data in chops of 997 octets.

Case Expectation

Receive echo'ed text message (with payload as sent). Clean close with normal code.

Case Outcome

Actual events match at least one expected.

Expected:
{'OK': [('message', u'**************************************************************** ...', False)]}

Observed:
[('message', u'**************************************************************** ...', False)]

Case Closing Behavior

The spec requires the connection to be failed cleanly here (UNCLEAN)



Opening Handshake

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: EabB1eYGN1zSp6Ftm50L1w==
Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols
Date: Tue, 25 Aug 2026 04:35:20 GMT
Upgrade: websocket
Connection: Upgrade
Sec-Websocket-Accept: 94iQHUjuan18UJQZd8YyZJcAA5o=


Closing Behavior

KeyValueDescription
isServerFalseTrue, iff I (the fuzzer) am a server, and the peer is a client.
closedByMeTrueTrue, iff I have initiated closing handshake (that is, did send close first).
failedByMeFalseTrue, 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.
droppedByMeFalseTrue, iff I dropped the TCP connection.
wasCleanFalseTrue, iff full WebSocket closing handshake was performed (close frame sent and received) _and_ the server dropped the TCP (which is its responsibility).
wasNotCleanReasonpeer dropped the TCP connection without previous WebSocket closing handshakeWhen wasClean == False, the reason what happened.
wasServerConnectionDropTimeoutFalseWhen we are a client, and we expected the server to drop the TCP, but that didn't happen in time, this gets True.
wasOpenHandshakeTimeoutFalseWhen performing the opening handshake, but the peer did not finish in time, this gets True.
wasCloseHandshakeTimeoutFalseWhen we initiated a closing handshake, but the peer did not respond in time, this gets True.
localCloseCode1000The close code I sent in close frame (if any).
localCloseReasonNoneThe close reason I sent in close frame (if any).
remoteCloseCodeNoneThe close code the peer sent me in close frame (if any).
remoteCloseReasonNoneThe close reason the peer sent me in close frame (if any).


Wire Statistics

Octets Received by Chop Size

Chop SizeCountOctets
10110
1661166
65536165536
Total365712

Octets Transmitted by Chop Size

Chop SizeCountOctets
818
2441244
7451745
9976564805
Total6865802

Frames Received by Opcode

OpcodeCount
11
Total1

Frames Transmitted by Opcode

OpcodeCount
11
81
Total2


Wire Log

000 TX OCTETS: 474554202f777320485454502f312e310d0a557365722d4167656e743a204175746f6261686e5465737453756974652f3235
               2e31302e312d302e31302e390d0a ...
001 RX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a446174653a205475652c203235204175
               6720323032362030343a33353a32 ...
002 TX FRAME : OPCODE=1, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASK=85b11f78, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
               **************************************************************** ...
003 TX OCTETS: 81ff000000000001000085b11f78af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
006 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
007 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
008 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
009 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
010 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
011 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
012 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
013 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
014 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
015 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
016 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
017 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
018 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
019 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
020 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
021 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
022 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
023 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
024 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
025 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
026 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
027 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
028 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
029 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
030 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
031 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
032 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
033 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
034 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
035 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
036 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
037 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
038 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
039 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
040 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
041 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
042 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
043 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
044 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
045 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
046 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
047 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
048 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
049 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
050 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
051 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
052 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
053 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
054 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
055 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
056 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
057 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
058 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
059 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
060 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
061 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
062 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
063 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
064 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
065 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
066 TX OCTETS: af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b
               3552af9b3552af9b3552af9b3552 ...
067 TX OCTETS: 9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b35
               52af9b3552af9b3552af9b3552af ...
068 TX OCTETS: 3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552
               af9b3552af9b3552af9b3552af9b ...
069 TX OCTETS: 52af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af9b3552af
               9b3552af9b3552af9b3552af9b35 ...
070 RX OCTETS: 817f00000000000100002a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a2a
               2a2a2a2a2a2a2a2a2a2a2a2a2a2a ...
071 RX OCTETS: 2a2a2a2a2a2a2a2a2a2a
072 RX FRAME : OPCODE=1, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASKED=False, MASK=None
               **************************************************************** ...
073 TX FRAME : OPCODE=8, FIN=True, RSV=0, PAYLOAD-LEN=2, MASK=70df4b87, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
               0x03e8
074 TX OCTETS: 888270df4b877337
075 TCP DROPPED BY PEER