| Bug ID |
10303
|
| Summary |
window scaling is used even though the server does not support it
|
| Classification |
Unclassified
|
| Product |
Wireshark
|
| Version |
1.12.0
|
| Hardware |
x86
|
| OS |
All
|
| Status |
UNCONFIRMED
|
| Severity |
Normal
|
| Priority |
Low
|
| Component |
Dissection engine (libwireshark)
|
| Assignee |
[email protected]
|
| Reporter |
[email protected]
|
Created attachment 12920 [details]
pcap with window full
Build Information:
Version 1.12.0rc3 (v1.12.0rc3-0-ge14d5b6 from master-1.12)
Copyright 1998-2014 Gerald Combs <[email protected]> and contributors.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Compiled (64-bit) with GTK+ 2.24.23, with Cairo 1.10.2, with Pango 1.34.0, with
GLib 2.38.0, with WinPcap (4_1_3), with libz 1.2.5, with SMI 0.4.8, with c-ares
1.9.1, with Lua 5.2, without Python, with GnuTLS 3.1.22, with Gcrypt 1.6.0,
without Kerberos, with GeoIP, with PortAudio V19-devel (built Jul 22 2014),
with
AirPcap.
Running on 64-bit Windows 7 Service Pack 1, build 7601, with WinPcap version
4.1.3 (packet.dll version 4.1.0.2980), based on libpcap version 1.0 branch
1_0_rel0b (20091008), GnuTLS 3.1.22, Gcrypt 1.6.0, without AirPcap.
Intel(R) Core(TM) i5-3320M CPU @ 2.60GHz, with 16257MB of physical
memory.
Built using Microsoft Visual C++ 10.0 build 40219
--
Window scaling is used even though the server did not include it in the options
#1 Client SYN:
Options: (20 bytes), Maximum segment size, SACK permitted, Timestamps,
No-Operation (NOP), Window scale
Window scale: 2 (multiply by 4)
#2 Server SYN+ACK:
Options: (4 bytes), Maximum segment size
#3 Client ACK:
Window size value: 5840
Calculated window size: 23360
#5 Server ACK:
Window size value: 8190
Calculated window size: 8190
#174 Client ACK:
Window size value: 65535
Calculated window size: 262140
#216 Server sent a bunch of packets
Bytes in flight: 65535
At that moment we should see window full next to this packet but we don't.
However wireshark 1.10.8 does show it:
#196
The transmission window is now completely full
Attached is the pcap of the traffic
regards
Rafal Weglarz
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