[Winpcap-users] Vista Wireless Architecture

[Gianluca Varenni]

Can you please install WinPcap 4.0beta1, and then report the bug as described at http://www.winpcap.org/bugs.htm?

Have a nice day
GV

  ----- Original Message ----- 
  From: Mani, Swetha (Cognizant) 
  To: winpcap-users at winpcap.org 
  Cc: gianluca.varenni at cacetech.com 
  Sent: Thursday, August 31, 2006 10:16 PM
  Subject: [Winpcap-users] Vista Wireless Architecture


HI !!!  I came across your messahe in the winpcap users group. You have mentioned that WinPcap3.1 and 4.0 will have problems on listing the adapter names on a Vista Beta 2 machine. Can you please tell me what are the problems specifically ? I have tried the following but to no avail. Still the wireless adapter is not getting listed.  1.    installed WinPCap 4.0 - npf.sys, packet.dll and wpcap.dll get deputed to System32 folder. 2.    complied the source code for packet.dll and wpcap.dll. Here the DDk was not used to install the driver. Then replaced the existing packet.dll and wpcap.dll with the new one. 3.    I also checked in http://www.micro-logix.com/WinPcap/Supported.asp for the list of supported wireless adapter and the one I am using ( Intel Pro / Wireless 2200BG Network Connection ) I cant figure out what might be the problem.  Thanks and regardsSwetha  ----- Original Message -----   From: Coombes, Kenneth   To: winpcap-users at winpcap.org   Sent: Friday, July 28, 2006 3:17 PM  Subject: [Winpcap-users] Vista Wireless Architecture    I understand that capturing 802.11 frames in promiscuous mode in Windows is tricky because of the way Windows NDIS drivers work and maybe other reasons that go above my head.  This makes using WinPCap+Wireshark frustrating in Windows.  However having read about the complete wireless re-architecture in Vista that includes "native driver" support (whatever that means, and see link below) I was wondering if anyone has tested whether Vista with WinPcap3.x or 4.x will overcome this previous limitation.       http://download.microsoft.com/download/c/b/0/cb0bd927-cc5f-4aa9-ac14-54368ec482da/Wireless_Enhancements_in_Windows.ppt       Or put another way, I have not read anything on your site specifically supporting Vista currently or in the future (only a snippet that 3.1 may work).  How about giving us a glimpse of what is in development or planned for WinPcap to take advantage of these architecture changes, (if indeed there is any relevance to WinPCap)?  Pardon my lack of technical understanding of drivers.     Kenneth,    native wi-fi support in Vista will *probably* enable to capture on Wireless LANs without some of the current limitations. I haven't personally studied too deeply what features will be available to a protocol driver like WinPcap. What I suspect is that in any case at the beginning many Wireless card drivers will still expose the old NDIS miniport interface (ndis 5.1), thus delivering fake 802.3 packets, and will be only later ported to native wifi (= NDIS 6.0?).  In any case we are definitely interesting in evaluating native wifi and exploit it to better support wifi networks.   As of now, WinPcap 3.1 and 4.0a have limited support for Vista. The limitations are mainly related to dialup support (or better, lack of it) and in the listing of the adapters under some circumstances (we are working on removing this last limitation). Apart from that, WinPcap works on vista in the same way as it's working on XP/2000/2003.    Have a nice day Gianluca Varenni WinPcap Team     Kind regards,   Kenneth       --------------------------- 

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