Questions tagged [winpcap]

WinPcap is an open-source Windows library for network access including packet capture and analysis. It operates at the link-layer (the lowest layer in the internet protocol suite).

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Can't see interfaces in wireshark, Windows 10

I've been using wireshark for weeks, but recently I installed Windows Subsystem for Linux (WSL2) with Kali Linux, planning to do some network analysis. It took me quite a while to get it all running, ...
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LINK : fatal error LNK1181: cannot open input file 'wpcap.lib' when downloading Python module

I am trying to download a python module (PySOEM) on my laptop running windows 10. After running "pip install --trusted-host pypi.org --trusted-host files.pythonhosted.org pysoem" from the command ...
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2answers
8k views

Installing Npcap on Windows 10

Recently, after prompt initiated update, the Wireshark could no longer detect my ethernet interfaces, leaving only USBs on the list. Since problems persisted after reboot I decided to reinstall ...
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1answer
58 views

Can WinPcap send and get Ethernet header over one NIC card?

I'm studying with WinPcap API on one computer, as you predict I have one NIC card and I couldn't send and get Ethernet header on one NIC card. Can you please inform me whether WinPcap can send and ...
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760 views

Error while installing Nessus in my Win 10

I am facing an issue while installing Nessus. I do not have any npcap dlls installed, I uninstalled everything and tried installing Nessus. But I am getting an error pop-up that already an latest ...
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3answers
2k views

Nessus install interrupted by WinPcap

Why is Nessus installation interrupted by WinPcap? I have a Windows 10 Pro PC with Wireshark and nmap installed, so I know I have WinPcap is already installed, but why is this completely shutting out ...
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1answer
11k views

Windows 7 network adapter device name using winpcap

I am trying to use winpcap for an application that is to be used on multiple servers in a production line. One thing that annoys me so far is the Windows 7 device naming convention, which is a long ...
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254 views

how to use winpcap to send EAPOL packets on windows 7 with wireless card?

I want to implement a 802.1X wireless client on Windows 7 using PEAP/MSCHAPv2. The 802.1X protocol is a data link layer protocol, it uses the EAPOL protocol to encapsulate the packets. I use the ...
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0answers
175 views

How to use windows pcap api on windows 7?

I want to implement a 802.1X wireless client in windows 7 using PEAP/MSCHAPv2. The 802.1X protocol is a datalink layer protocol, it uses the EAPOL protocol to encapsulate the packets. However, I don't ...
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2answers
35k views

Where to find WinPcap in system control? (on Windows 8.1 Pro 64bit)

Where can I find WinPcap in system control, I assumed it is running as a service but it seems I am mistaken. I started WinPcap via command line (source): runas /u:administrator "net start npf" ...
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7answers
81k views

How do I remove an old version of WinPcap?

When installing WinPcap 4.1.2 on Windows 7 I receive the following message "A previous version of WinPcap has been detected on this system and cannot be removed because in use by another ...
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4answers
4k views

Installing WinPcap on Windows 8

I know there has been lots of discussion already on installing WinPcap on Windows 8. I'm running the RTM version. I was able to install WinPcap without a hitch by using the Windows 7 compatibility ...
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2answers
15k views

What is the protocol 'ftp-data' identified by wireshark?

Just implementing a FTP server and use wireshark to analize the protocol. I find there is a protocol identified by wireshark FTP-DATA. What is that? Any document or RFC can be referred? Thanks and ...
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2answers
12k views

Network packet capturing on Windows 8?

Unfortunately WinPcap doesn't offer a version of their installer that runs on Windows 8. Since WinPcap uses a kernel-mode driver to capture network packets, it seems like a very terrible idea to force ...
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1answer
1k views

WinPcap installation error

When installing WinPcap 4.1.2 (as well as earlier versions) I get the following error: An error occurred while loading the WinPcap Install Helper DLL I checked the WinPcap FAQ but there was ...
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1answer
6k views

Install Winpcap on Windows XP without admin rights

Is there a way to install Winpcap on Windows XP without admin rights?