Wireshark mailing list archives

Re: Npcap 0.03 call for test


From: Yang Luo <hsluoyb () gmail com>
Date: Sat, 1 Aug 2015 11:11:12 +0800

Hi Pascal,

I analyzed your dumps, and it seems to be the NdisFOidRequest error. A full
memory dump helps me to locate the exact error position (NPF_GetDeviceMTU
function). I think I have fixed it, but as this crash can't be reproduced,
I didn't test my fix. You can try it:

https://svn.nmap.org/nmap-exp/yang/NPcap-LWF/npcap-nmap-0.03-r2.exe


Cheers,
Yang


On Thu, Jul 30, 2015 at 3:07 AM, Pascal Quantin <pascal.quantin () gmail com>
wrote:


2015-07-27 9:19 GMT+02:00 Yang Luo <hsluoyb () gmail com>:

Hi list,

Thanks for your tests for the first two versions of Npcap, I have fixed
several problems as following:
1) Npcap causes BSoD if you uninstall Npcap when Npcap is still in use
for capturing packets.
2) Npcap can't start the driver automatically when system reboots in
0.02, now I have added this feature back.
3) Npcap lose many packets for loopback capturing in 0.02, like TCP data
packets. Now I have fixed it and tested against TCP data transmission,  UDP
data transmission and Apache HTTP server (XAMPP).
4) "Npcap Loopback Adapter" can be successfully renamed in Win10.
5) Npcap can see MB miniport adapter now.

The latest Npcap installer is:
https://svn.nmap.org/nmap-exp/yang/NPcap-LWF/npcap-nmap-0.03.exe

I have tested this version Npcap under Wireshark 1.12.6 x64, in Windows
8.1 x64 and Windows 10 Insider Preview 10240 x64.

Notice:
1) You need to try it under Win7 and later, and no need to change the
installation options, just click the "Next"s. Npcap installed in "WinPcap
Compatible Mode" is exclusive with WinPcap, so you must uninstall WinPcap
first (installer will prompt you this).
2) If you have installed WinPcap, better to reboot the PC after
uninstalling Winpcap and then install Npcap.

The README is:
https://github.com/nmap/npcap


Cheers,
Yang


Hi yang,

like Tyson I experienced crashes when launching Wireshark
v1.99.9rc0-29-g65a1f60 with Npcap 0.03 installed on Windows 7 x64 (did not
face it on my Windows 10 x64 virtual machine). You will find 2 minidumps
and a full memory dump here:
https://www.dropbox.com/sh/2oz00ox20kv3oe0/AACFQC83vyKS2dY7bI7hnZBOa?dl=0

Cheers,
Pascal.

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