Nmap windows 7 failed to open device eth0

I found the problem happen on Ubuntu This problem should be solved with Npcap 0. If you are having this problem with Nmap 7. If you still have a problem, please open a new bug report. So I am on Nmap 7. Read this thread and went to add remove and uninstalled the copy of npcap that came with Nmap, 9. I did not touch Nmap itself.

I then installed the most recent copy of Npcap 0. Closed Nmap and opened it again, performed same scan and works perfect now. Thanks everyone.. I used "sudo apt install --reinstall nmap" - Yes, it is for Windows 10 the thread but the error is same. This issue is closed. The issue description is a very general error message indicating a failure to enumerate or open network interfaces, and can happen on any operating system.

If you experience this error, please follow these steps to diagnose and resolve:. Skip to content. Star 5. New issue. Jump to bottom. Copy link. Any fix? I don't think you're even guaranteed to have your first Ethernet adapter named "eth0" on Linux If I remember correctly, when I booted one of my virtual machines yesterday, which running Ubuntu Having the same error on win Colin Colin 1 1 gold badge 1 1 silver badge 5 5 bronze badges.

Tried to run it as administrator? Wireshark doesn't like it when you're not runnin it specifically as admin. Yes, the same problem persists. Thanks for the suggestion! Unfortunately, Reinstalling WinPcap 4.

The installer recognizes that WinPcap is already installed. Even with the force install option, I receive the exact same error. Show 9 more comments. Active Oldest Votes. Improve this answer. WinPcap, though still available for download v4. While community support may persist, technical oversight by Riverbed staff, responses to questions posed by Riverbed resources, and bug reporting are no longer available.

Add a comment. Nathan Hancock Nathan Hancock 51 1 1 silver badge 1 1 bronze badge. I uninstalled "npcap" as well and that worked for me, thanks Nathan. You may need to upgrade to version 0.

Resorting to connect mode -- Nmap may not function completely , but finished successfully. And npcap I uninstalled is the one coming with nmap chocolatey package. Resorting to connect mode -- Nmap may not function completely But finished successfully. I tried the above with installer from nmap. Then I've run into the following suggestion : Also please try it with the official WinPcap 4. And it worked. TLDR: Use --unprivileged nmap option.

All addresses will be marked 'up' and scan times will be slower. Starting Nmap 7. Thanks for the reply. And try to run the Nmap command that has error again. I don't know if this issue relates to the driver for now, so you can either submit it or not. I've CC'd Yang Luo, who is primarily responsible for the Npcap packet capture library, which may be related.

Please continue to keep the dev nmap org mailing list CC'd so that others can help or benefit from the discussion in the archives. To ensure this is not a symptom of a different problem which has already been fixed, please download and install the latest Npcap 0. If the problem persists, please run as administrator the DiagReport.