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2023-06-09 05:21:52 +0000 commented answer What constitutes a packet a Wireshark USB bus capture of an isochronous endpoint?

Submitting IN URB roughly to "please start issuing IN tokens, give me the data after that many DATA packets are received

2023-06-09 05:12:50 +0000 commented answer What constitutes a packet a Wireshark USB bus capture of an isochronous endpoint?

URBs happen entirely at host side and device has absolutely no idea that there was URB, what URB contents were and how m

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2023-06-07 10:53:29 +0000 answered a question What constitutes a packet a Wireshark USB bus capture of an isochronous endpoint?

The USB software sniffers (here: USBPcap) capture URBs and not the raw USB packets. URB is USB Request Block and is what

2022-08-02 08:20:32 +0000 commented answer Can't capture USB packets from device with no driver

While USBPcap indeed taps between root hub FDO and root hub PDO, it does not capture the traffic on this tap. The root h

2021-04-04 18:49:58 +0000 answered a question How to read USB captures

USB HID dissector was improved during Google Summer of Code 2020, so in recent Wireshark versions you get better results

2021-04-04 18:27:44 +0000 answered a question Help capturing USB packets in Windows

Answer #1: The port number and device address correlation is negligible from practical application IMHO. That is, usuall

2021-04-02 18:54:53 +0000 edited answer What is the differences between USBPcap1 and USBPcap2?

Since the asker didn't provide exact hardware details, I am going to answer this based on a system that has three USBPca

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2021-04-02 18:54:33 +0000 edited answer What is the differences between USBPcap1 and USBPcap2?

Since the asker didn't provide exact hardware details, I am going to answer this based on a system that has three USBPca

2021-04-02 17:07:24 +0000 answered a question What is the differences between USBPcap1 and USBPcap2?

Since the asker didn't provide exact hardware details, I am going to answer this based on a system that has three USBPca

2021-03-30 18:03:51 +0000 commented question What is the differences between USBPcap1 and USBPcap2?

No, you provided SATA chipset info. What would be better is EHCI or xHCI. Notebook model number might be helpful as well

2021-03-28 04:48:03 +0000 commented question What is the differences between USBPcap1 and USBPcap2?

Also it might be worthwile to post capture from USBPcap1 as that might be descriptors for embedded devices (e.g. camera,

2021-03-28 04:46:13 +0000 commented question What is the differences between USBPcap1 and USBPcap2?

You have to provide hardware details in order to get answer this question. Make sure to include chipset model and versio

2021-03-27 07:04:00 +0000 commented question How to capture mbedtls handshake messages?

Can you run capture on the WiFi router? Alternatively, can you connect PC to the internet using wired connection and cre

2021-03-27 07:02:12 +0000 commented question How to capture mbedtls handshake messages?

Can you run capture on the WiFi router? Alternatively, can you connect PC to the internet using wired connection and cre

2019-04-09 15:51:23 +0000 commented question USBPcap: User Account Control window pops up when live capture is started

Yes, the admin privileges are required for USB packet capture using USBPcap. This is basic security precaution to preven