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Only capturing usb protocols

asked 2018-12-07 19:36:37 +0000

Apool gravatar image

INTRO-------------------- hey all! I am very new to and generally awful at networking but I suspect someone on my network might be ARP spoofing and I was trying to find out how, hoping wireshark can help me, I am however using a USB to access wifi and so I assume I had to use USBPCap which I ran into with some problems earlier but seems to be working now.

So I tried capturing with all protocols on and only ended up with USB protocols ((destination to "Host")) and ((Source "2.3.1")) as far as I can tell my main problem is that I can not get details of the protocols, any help?

Cheers!

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answered 2018-12-07 20:58:32 +0000

Guy Harris gravatar image

updated 2018-12-07 23:15:19 +0000

I am however using a USB to access wifi and so I assume I had to use USBPCap

No.

USBPcap (for Windows) is only necessary if you want to capture raw USB traffic to and from your machine.

If you have a USB network adapter, it looks, to the capture mechanisms used by libpcap/WinPcap/Npcap, and thus by Wireshark, like any other network adapter; those capture mechanisms don't care whether the network adapter uses PCI or PCI Express or USB or EISA or ISA or... to connect to the CPU.

So I tried capturing with all protocols on and only ended up with USB protocols

That's what USBPcap is for - capturing USB traffic.

Try just capturing on your Wi-Fi adapter as if it were an ordinary adapter.

Note, however, that you might need Npcap; capturing on Wi-Fi adapters on Windows is tricky, and WinPcap's kernel driver might not perform all the appropriate rituals needed for this. That's not a USB issue, it's a "how Windows handles Wi-Fi adapters" issue, applying to Wi-Fi adapters even if they're directly attached to the motherboard.

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@Guy Harris Hey! thank you for your reply, my confusion came from the fact my only two options were available (USBPcap 1) and (USBP cap 2) after following your advice and going through a few very somewhat hidden links for an hour or so I came to the conclusion that the only thing left I knew how to do was try and install what ever this "Npcap" is, after doing so I now had four more options with only 1 option called simply "Wi-Fi" that was pulsing signal and it seems to have all finally worked.

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I do not know if I uninstalled Wincap or not, where either it was the problem at not finding signal or not or what ever else - or even how to use wincap and not usbpCap (my assumptions is wincap did not work) but it was beautiful to finally see computers talk

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I wish information ...(more)

Apool gravatar imageApool ( 2018-12-07 22:36:32 +0000 )edit

WinPcap ("Pcap", not "Cap") is installed by the Wireshark Windows installer. We'd like to install Npcap instead, but there are some licensing issues getting in the way.

Guy Harris gravatar imageGuy Harris ( 2018-12-07 23:11:01 +0000 )edit

@Guy Harris Interesting, thanks for letting me know, I hope you will get it done one day

cheers

Apool gravatar imageApool ( 2018-12-08 01:43:38 +0000 )edit

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Asked: 2018-12-07 19:36:37 +0000

Seen: 37 times

Last updated: Dec 07