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nmap / npcap

Nmap Project's Windows packet capture and transmission library
https://npcap.com
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Npcap Loopback adapter didn't show #375

Closed Claiyre closed 3 years ago

Claiyre commented 5 years ago

Tried several times, still can't find Npcap Loopback adapter in wireshark interfaces or ipconfig list

By the way, Basic Filtering Engine (BFE) service is running.

dmiller-nmap commented 5 years ago

Can you please provide output of DiagReport?

Does running 'C:\Program Files\Npcap\FixInstall.bat` fix the problem?

Claiyre commented 5 years ago

Unfortunately, running FixInstall.bat didn't help.

DiagReport:

DiagReport for Npcap ( http://npcap.org )

Script Architecture: 64-bit Script Path: C:\Program Files\Npcap\DiagReport.ps1 Current Time: 11/27/2018 09:23:34 Npcap install path: C:\Program Files\Npcap Npcap Version: 0.99-r7 PowerShell Version: 2.0

OS Info:

Caption : Microsoft Windows 7 专业版 BuildNumber : 7601 Locale : 0804 MUILanguages : {zh-CN} OSArchitecture : 64-bit ServicePackMajorVersion : 1 ServicePackMinorVersion : 0 SystemDirectory : C:\windows\system32 Version : 6.1.7601

CPU Info:

Name : Intel(R) Core(TM) i5-6500 CPU @ 3.20GHz Manufacturer : GenuineIntel DeviceID : CPU0 NumberOfCores : 4 NumberOfLogicalProcessors : 4 Addresswidth : 64

tankilo commented 5 years ago

Same on win10 1803
image image

Then i use the old version 'npcap-0.80.exe', and everything is back to normal. image

BobVul commented 5 years ago

On 0.992 it works if I either select Automatically start the Npcap driver at boot time or manually sc stop npcap and then sc start npcap before launching Wireshark. Perhaps a race condition when Wireshark (?) starts it?

dmiller-nmap commented 5 years ago

The Npcap Loopback Adapter was known to cause problems with some software, so we removed the need for it in Npcap 0.9983, released today. Be sure to deselect (un-check) the "Legacy loopback support" to get the new loopback capture support. Let us know how it works for you.