Autobahn WebSocket Testsuite Report
Autobahn WebSocket

go-httpbin - Case 1.2.8 : Pass - 13 ms @ 2025-10-27T16:43:48.006Z

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)



Opening Handshake

GET / HTTP/1.1
User-Agent: AutobahnTestSuite/25.10.1-0.10.9
Host: 127.0.0.1:42033
Upgrade: WebSocket
Connection: Upgrade
Pragma: no-cache
Cache-Control: no-cache
Sec-WebSocket-Key: mIqyQzfRFALp1NdqTBMgRQ==
Sec-WebSocket-Version: 13
HTTP/1.1 101 Switching Protocols
Connection: upgrade
Sec-Websocket-Accept: Nx/2DXNIHOWm0iFyPf9tzyrS9RQ=
Upgrade: websocket
Date: Mon, 27 Oct 2025 16:43:48 GMT


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.
wasCleanTrueTrue, iff full WebSocket closing handshake was performed (close frame sent and received) _and_ the server dropped the TCP (which is its responsibility).
wasNotCleanReasonNoneWhen 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).
remoteCloseCode1000The 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
414
10110
1661166
65536165536
Total465716

Octets Transmitted by Chop Size

Chop SizeCountOctets
818
2431243
7451745
9976564805
Total6865801

Frames Received by Opcode

OpcodeCount
21
81
Total2

Frames Transmitted by Opcode

OpcodeCount
21
81
Total2


Wire Log

000 TX OCTETS: 474554202f20485454502f312e310d0a557365722d4167656e743a204175746f6261686e5465737453756974652f32352e31
               302e312d302e31302e390d0a486f ...
001 RX OCTETS: 485454502f312e312031303120537769746368696e672050726f746f636f6c730d0a436f6e6e656374696f6e3a2075706772
               6164650d0a5365632d576562736f ...
002 TX FRAME : OPCODE=2, FIN=True, RSV=0, PAYLOAD-LEN=65536, MASK=dbf01fd1, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=997, SYNC=False
               0xfefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefefe
               fefefefefefefefefefefefefefefe ...
003 TX OCTETS: 82ff0000000000010000dbf01fd1250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
004 FAIL CONNECTION AFTER 10.000000 sec
005 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
006 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
007 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
008 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
009 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
010 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
011 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
012 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
013 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
014 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
015 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
016 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
017 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
018 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
019 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
020 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
021 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
022 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
023 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
024 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
025 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
026 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
027 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
028 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
029 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
030 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
031 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
032 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
033 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
034 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
035 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
036 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
037 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
038 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
039 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
040 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
041 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
042 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
043 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
044 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
045 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
046 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
047 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
048 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
049 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
050 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
051 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
052 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
053 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
054 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
055 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
056 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
057 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
058 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
059 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
060 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
061 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
062 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
063 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
064 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
065 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
066 TX OCTETS: 250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250e
               e12f250ee12f250ee12f250ee12f ...
067 TX OCTETS: 0ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee1
               2f250ee12f250ee12f250ee12f25 ...
068 TX OCTETS: e12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f
               250ee12f250ee12f250ee12f250e ...
069 TX OCTETS: 2f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f250ee12f25
               0ee12f250ee12f250ee12f250ee1 ...
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=30b3d24b, PAYLOAD-REPEAT-LEN=None, CHOPSIZE=None, SYNC=False
               0x03e8
074 TX OCTETS: 888230b3d24b335b
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