Title: Message
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Hi.
It's rather strange. WinPcap does not
interact with the TCP/IP stack in any way (apart from retrieving the IP
addresses of each newtork adapter).
Do you have any VPN/Personal firewall
software installed on your machine? Can you provide me more details on the
hardware (network cards) you are using? Your network card seems to perform
IP and TCP checksum offloading (i.e. the IP and TCP checksums are computed by
the board, instead of the tcp/ip stack).
Have a nice day
GV
----- Original Message -----
Sent: Friday, January 28, 2005 4:38
PM
Subject: [WinPcap-users] Logging problem
with Server 2003
Hi,
I have recently installed ethereal with WinPcap 3.1b4 on a windows
2003 server but it appears that I cannot get logged any traffic originating
from the server unless a TCP flag has been set.
For example, the attachement has a log of a file transfer but no packets
appear to transmitted from the server although acknoledgements arrive
regularly. A close examination of all server originated traffic shows that all
logged packets have at least one TCP flag set.
I tried other logging
applications as well and all of them had the same problem with Ethereal and I
was wondering if there is a particular issue with WinPcap. For your
information, the same problem appears with WinPcap 3.0. I'd really appreciate if you could point
out what might be the problem in this case.
Many thanks in advance,
Stamatis
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