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Nmap 7.31 Security Scanner Updates Npcap with Raw 802.11 Wi-Fi Capture Support


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The application now better handles scanning names

Nmap used in "The Girl with the Dragon Tattoo" movie

   Nmap used in "The Girl with the Dragon Tattoo" movie

The first point release of the popular, open-source, and cross-platform Nmap 7.30 free security scanner and network mapper arrived, versioned 7.31, adding several important stability improvements, and bug fixes.

New features in Nmap 7.31 include Npcap 0.10r9, which has been upgraded from version 0.10r2 bundled in Nmap 7.30 to add raw 802.11 Wi-Fi capture support, updated Zenmap graphical interface to indicate better that display of hostname is attached to Topology page's address, and IPv6 fingerprint submission improvements.

"To increase the number of IPv6 fingerprint submissions, a prompt for submission will be shown with some random chance for successful matches of OS classes that are based on only a few submissions. Previously, only unsuccessful matches produced such a prompt," reads the release notes for Nmap 7.31.

Nmap better handles scanning names that resolve to the same IP address

Among other noteworthy improvements implemented in the Nmap 7.31 maintenance update, we can mention better handling of scanning names that resolve to the same IP address, which means that the IP is now scanned more than once to no longer display bogus results for the other names by using the previous method.

The Nping utility was updated as well to use Npcap on Microsoft Windows platforms. Moreover, an assertion failure that occurred due to floating point error in equality comparison was addressed for the OpenBSD operating system, and it looks like Zenmap's About dialog now fully supports the Spanish language translation.

You can download the source archive of Nmap 7.31 for GNU/Linux/Windows & Mac OS X operating systems right now via official website. If you have Nmap 7.30 installed on your PC, we recommend that you updated as soon as possible to the new release.

Nmap 7.31 Changelog
Spoiler

[Windows] Updated the bundled Npcap from 0.10r2 to 0.10r9, bringing increased stability, bug fixes, and raw 802.11 WiFi capture (unused by Nmap). Further details on these changes can be found at https://github.com/nmap/npcap/releases. [Yang Luo]
Fixed the way Nmap handles scanning names that resolve to the same IP. Due to changes in 7.30, the IP was only being scanned once, with bogus results displayed for the other names. The previous behavior is now restored. [Tudor Emil Coman]
[Nping][GH#559] Fix Nping's ability to use Npcap on Windows. A privilege check was performed too late, so the Npcap loading code assumed the user had no rights. [Yang Luo, Daniel Miller]
[GH#350] Fix an assertion failure due to floating point error in equality comparison, which triggered mainly on OpenBSD:

 assertion "diff <= interval" failed: file &qu

 

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