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).
Questions tagged [winpcap]
15 questions
13
votes
7 answers
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 application. Please close all the
WinPcap-based…
CramerTV
- 382
12
votes
2 answers
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"
Before starting WinPcap Wireshark didn't show any…
Raffael
- 1,251
6
votes
2 answers
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 Windows 8 to use the Windows Vista / 7…
Nathan Osman
- 2,372
4
votes
1 answer
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 hex string and changes from server to server (i.e.…
Pita
- 41
3
votes
1 answer
Install Winpcap on Windows XP without admin rights
Is there a way to install Winpcap on Windows XP without admin rights?
Steve
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- 18
- 75
- 123
2
votes
2 answers
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 Wireshark with all the same options. The situation…
user1561358
- 173
2
votes
1 answer
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 get Ethernet header over one NIC card to determine…
sanallhesap4
- 31
1
vote
0 answers
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 know what lib can I use to send the EAPOL…
1
vote
4 answers
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 mode.
Since then, I've noticed that WinPcap has…
1
vote
2 answers
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 Best Regards.
Summer_More_More_Tea
- 1,053
1
vote
1 answer
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 nothing relevant.
Is there a way around this?
Codebling
- 784
1
vote
1 answer
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, so I do not remember all the steps I…
Uniform Mike
- 31
0
votes
0 answers
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 WinPcap to send and receive the EAPOL packets, however…
0
votes
1 answer
Windows laptop will not turn on after installing Wireshark
I have a Dell XPS laptop running Windows 10. I installed Wireshark from here, including Npcap from the same installer. All the additional options were left default.
After closing the laptop lid for a while and returning about 2hrs later, the…
Day Trip
- 11
0
votes
3 answers
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 my Nessus install? it is Nessus version 6.8…
dst1man
- 1