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Nmap ("Network Mapper") is a free and open source (license) utility for network exploration or security auditing. Many systems and network administrators also find it useful for tasks such as network inventory, managing service upgrade schedules, and monitoring host or service uptime. Nmap uses raw IP packets in novel ways to determine what hosts are available on the network, what services (application name and version) those hosts are offering, what operating systems (and OS versions) they are running, what type of packet filters/firewalls are in use, and dozens of other characteristics. It was designed to rapidly scan large networks, but works fine against single hosts.
Nmap runs on all major computer operating systems, and official binary packages are available for Linux, Windows, and Mac OS X. In addition to the classic command-line Nmap executable, the Nmap suite includes an advanced GUI and results viewer (Zenmap), a flexible data transfer, redirection, and debugging tool (Ncat), a utility for comparing scan results (Ndiff), and a packet generation and response analysis tool (Nping).
Flexible: Supports dozens of advanced techniques for mapping out networks filled with IP filters, firewalls, routers, and other obstacles. This includes many port scanning mechanisms (both TCP & UDP), OS detection, version detection, ping sweeps, and more. See the documentation page.
Powerful: Nmap has been used to scan huge networks of literally hundreds of thousands of machines.
Portable: Most operating systems are supported, including Linux, Microsoft Windows, FreeBSD, OpenBSD, Solaris, IRIX, Mac OS X, HP-UX, NetBSD, Sun OS, Amiga, and more.
Easy: While Nmap offers a rich set of advanced features for power users, you can start out as simply as "nmap -v -A targethost". Both traditional command line and graphical (GUI) versions are available to suit your preference. Binaries are available for those who do not wish to compile Nmap from source.
Free: The primary goals of the Nmap Project is to help make the Internet a little more secure and to provide administrators/auditors/hackers with an advanced tool for exploring their networks. Nmap is available for free download, and also comes with full source code that you may modify and redistribute under the terms of the license.
Well Documented: Significant effort has been put into comprehensive and up-to-date man pages, whitepapers, tutorials, and even a whole book! Find them in multiple languages here.
Supported: While Nmap comes with no warranty, it is well supported by a vibrant community of developers and users. Most of this interaction occurs on the Nmap mailing lists. Most bug reports and questions should be sent to the nmap-dev list, but only after you read the guidelines. We recommend that all users subscribe to the low-traffic nmap-hackers announcement list. You can also find Nmap on Facebook and Twitter. For real-time chat, join the #nmap channel on Freenode or EFNet.
Acclaimed: Nmap has won numerous awards, including "Information Security Product of the Year" by Linux Journal, Info World and Codetalker Digest. It has been featured in hundreds of magazine articles, several movies, dozens of books, and one comic book series. Visit the press page for further details.
Popular: Thousands of people download Nmap every day, and it is included with many operating systems (Redhat Linux, Debian Linux, Gentoo, FreeBSD, OpenBSD, etc). It is among the top ten (out of 30,000) programs at the Freshmeat.Net repository. This is important because it lends Nmap its vibrant development and user support communities.
# Nmap Changelog ($Id: CHANGELOG 36700 2017-04-09 13:33:31Z nnposter $); -*-text-*-
[NSE][GH#807] Fixed a JSON library issue that was causing long integers to be expressed in the scientific/exponent notation. [nnposter]
[Ncat] Made -i/--idle-timeout not cause Ncat in server mode to close while waiting for an initial connection. This was also causing -i to interfere with the HTTP proxy server mode. [Carlos Manso, Daniel Miller]
[NSE][GH#766] The HTTP Host header will now include the port unless it is the default one for a given scheme. [nnposter]
[NSE] Fixed several potential hangs in NSE scripts that used receive_buf(pattern), which will not return if the service continues to send data that does not match pattern. A new function in match.lua, pattern_limit, is introduced to limit the number of bytes consumed while searching for the pattern. [Daniel Miller, Jacek Wielemborek]
[NSE] The HTTP response object has a new member, fragment, which contains a partially received body (if any) when the overall request fails to complete. [nnposter]
[NSE][GH#731] NSE is now able to process HTTP responses with a Set-Cookie header that has an extraneous trailing semicolon. [nnposter]
[Nsock] Handle any and all socket connect errors the same: raise as an Nsock error instead of fatal. This prevents Nmap and Ncat from quitting with "Strange error from connect:" [Daniel Miller]
[Ncat][GH#773] Ncat in server mode properly handles TLS renegotiations and other situations where SSL_read returns a non-fatal error. This was causing SSL-over-TCP connections to be dropped. [Daniel Miller]
[Ncat][GH#157] Ncat will now continue trying to connect to each resolved address for a hostname before declaring the connection refused, allowing it to fallback from IPv6 to IPv4 or to connect to names that use DNS failover. [Jaromir Koncicky, Michal Hlavinka]
[NSE][GH#743] New script broadcast-ospf2-discover discovers OSPF 2 routers and neighbors. OSPFv2 authentication is supported. [Emiliano Ticci]
[NSE][GH#740][GH#759] New script http-vuln-cve2017-5638 checks for the RCE bug in Apache Struts2. [Seth Jackson]
[NSE] Added several commands to redis-info to extract listening addresses, connected clients, active channels, and cluster nodes. [Vasiliy Kulikov]
[NSE][GH#679][GH#681] Refreshed script http-robtex-reverse-ip, reflecting changes at the source site (www.robtex.com). [aDoN]
[NSE][GH#708] TLS SNI now works correctly for NSE HTTP requests initiated with option any_af. As an added benefit, option any_af is now available for all connections via comm.lua, not just HTTP requests. [nnposter]
[NSE][GH#713] New script impress-remote-discover attempts to pair with the LibreOffice Impress presentation remote service and extract version info. Pairing is PIN-protected, and the script can optionally brute-force the PIN. New service probe and match line also added. [Jeremy Hiebert]
[NSE][GH#620][GH#715] Added 8 new http-enum fingerprints for Hadoop infrastructure components. [Thomas Debize, Varunram Ganesh]
[NSE][GH#629] Added two new fingerprints to http-default-accounts (APC Management Card, older NetScreen ScreenOS) [Steve Benson, nnposter]
[NSE][GH#716] Fix for oracle-tns-version which was sending an invalid TNS probe due to a string escaping mixup. [Alexandr Savca]
[NSE][GH#671] New script cics-user-brute does brute-force enumeration of CICS usernames on IBM TN3270 services. [Soldier of Fortran]
[NSE][GH#671] New script cics-info checks IBM TN3270 services for CICS transaction services and extracts useful information. [Soldier of Fortran]
[NSE][GH#669] New script http-cookie-flags checks HTTP session cookies for HTTPOnly and Secure flags. [Steve Benson]
[NSE][GH#694] ike-version now outputs information about supported attributes and unknown vendor ids. Also, a new fingerprint for FortiGate VPNs was submitted by Alexis La Goutte. [Daniel Miller]
[GH#700] Enabled support for TLS SNI on the Windows platform. [nnposter]
[GH#686] Script tls-ticketbleed checks for the Ticketbleed vulnerability (CVE-2016-9244) in F5 BIG-IP appliances. [Mak Kolybabi]
[Ncat] Enable --ssl-ciphers to be used with Ncat in client mode, not only in server (listen) mode. [Daniel Miller]
[GH#649] New service probe and match lines for the JMON and RSE services of IBM Explorer for z/OS. [Soldier of Fortran]
Removed a duplicate service probe for Memcached added in 2011 (the original probe was added in 2008) and reported as duplicate in 2013 by Pavel Kankovsky.
New service probe and match line for NoMachine NX Server remote desktop. [Justin Cacak]
[Zenmap] Fixed a recurring installation problem on OS X/macOS where Zenmap was installed to /Applications/Applications/Zenmap.app instead of /Applications/Zenmap.app.
[Zenmap][GH#639] Zenmap will no longer crash when no suitable temporary directory is found. Patches contributed by [Varunram Ganesh] and [Sai Sundhar]
[Zenmap][GH#626] Zenmap now properly handles the -v0 (no output) option, which was added in Nmap 7.10. Previously, this was treated the same as not specifying -v at all. [lymanZerga11]
[GH#630] Updated or removed some OpenSSL library calls that were deprecated in OpenSSL 1.1. [eroen]
[NSE] New script http-hsts-verify reports whether or not HTTP Strict Transport Security is configured. [Ícaro Torres]
[NSE] Script ssh-hostkey now recognizes and reports Ed25519 keys [nnposter]
[NSE][GH#627] Fixed script hang in several brute scripts due to the "threads" script-arg not being converted to a number. Error message was "nselib/brute.lua:1188: attempt to compare number with string" [Arne Beer]
|3,903||5,727||Nmap <img src="http://www.oldergeeks.com/downloads/gallery/thumbs/nmap_th.png"border="0">||Apr 11, 2017 - 10:51||7.40||25.82MB||EXE||, out of 2 Votes.|
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