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	Nmap - Wikipedia, the free encyclopedia
		Nmap reached version 3.5 in February 2004, and version 4.0 in January 2006, with hundreds of improvements.
		The appearance of Nmap in the film was widely discussed on internet forums [17], and hailed as an unusually realistic example of hacking compared to other movies [18].
		Nmap and NmapFE were used in The Listening, a 2006 movie about a former NSA officer who defects and mounts a clandestine counter-listening station high in the Italian alps.
	en.wikipedia.org /wiki/Nmap (654 words)

	nmap (Site not responding. Last check: 2007-10-12)
		Nmap is designed to allow system administrators and curious individuals to scan large networks to determine which hosts are up and what ser- vices they are offering.
		Nmap may override this preference when it needs to, because a group must all use the same network interface, and some scan types can only handle one host at a time.
		Nmap will always be available Open Source, but this is important because the inability to relicense code has caused devastating problems for other Free Software projects (such as KDE and NASM).
	linuxcommand.org /man_pages/nmap1.html (8647 words)

	Nessus
		Nmap is a popular open-source port scanner which can be used instead of Nessus's own TCP scanner to conduct port scans.
		Because of a lot of persons were unknowingly misusing Nmap and Nessus (and therefore have a bad perception of the two products), we have decided to remove the plugin nmap.nasl from the Nessus distribution.
		Since Nmap uses between 6 and 20 megabytes of memory per host (depending on the scanning options), then all the Nmap processes will use between 240 and 800 megabytes of memory when Nessus is configured to scan 40 hosts in parallel.
	www.nessus.org /documentation/index.php?doc=nmap-usage (677 words)

	Nmap network security scanner man page (Site not responding. Last check: 2007-10-12)
		Nmap is designed to allow system administrators and curi- ous individuals to scan large networks to determine which hosts are up and what services they are offering.
		Unfiltered means that the port is known by nmap to be closed and no fire- wall/filter seems to be interfering with nmap's attempts to determine this.
		Depending on options used, nmap may also report the fol- lowing characteristics of the remote host: OS in use, TCP sequencability, usernames running the programs which have bound to each port, the DNS name, whether the host is a smurf address, and a few others.
	www.cse.nd.edu /courses/cse458/handouts/nmap_manpage.html (3809 words)

	YoLinux.com Manpage: nmap
		Unfiltered means that the port is known by nmap to be closed and no firewall/filter seems to be interfering with nmap's attempts to determine this.
		nmap detects this rate limiting and slows down accord- ingly, rather than flood the network with useless packets that will be ignored by the target machine.
		Nmap should never be run against mission critical systems unless you are prepared to suffer downtime.
	node1.yo-linux.com /cgi-bin/man2html?cgi_command=nmap (8097 words)

	SANS Institute - Intrusion Detection FAQ: What is nmap and what can it do?
		Nmap was the source of strange new scan patterns started being detected by the SHADOW ID Systems located throughout the Internet.
		Nmap compares the responses to these packets against an internal database and provides a ‘best guess’ as to the operating system and version number running there.
		Nmap is a powerful tool that is capable of generating a multitude of signatures depending on how it is used.
	www.sans.org /resources/idfaq/what_is_nmap.php (2391 words)

	A-SEC -Lesson 2 Nmap (Site not responding. Last check: 2007-10-12)
		Nmap is the network exploration tool, it is essentially one of the most important tools to a security engineer or pen-tester.
		Nmap runs on linux/bsd and windows, although we will only be discussing it's usage under linux, the windows version is just a port from linux and can still be used as a supplement if you want but you do have access to the linux version in the attack lab.
		Nmap splits the TCP header into several fragments, like dicing up a pizza, the target host then must reassemble them, by using this technique we are trying to totally bypass firewall and fool ids machines.
	members.dodo.net.au /~ps2man/Nmap/nmap.html (5271 words)

	Nmap - Free Security Scanner For Network Exploration & Security Audits.
		Nmap ("Network Mapper") is a free open source utility for network exploration or security auditing.
		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.
		Nmap runs on most types of computers and both console and graphical versions are available.
	www.insecure.org /nmap (522 words)

	Nmap - SecurityForest
		System administrators often use Nmap to search for unauthorized servers on their network, or for computers which don't meet the organisation's minimum level of security [17] (http://www.techsupportalert.com/search/t04123.pdf).
		Nmap is often confused with host vulnerability assessment tools such as Nessus, which go further in their exploration of a target by testing for common vulnerabilities in the open ports found.
		The appearance of Nmap was widely discussed on internet forums [19] (http://it.slashdot.org/article.pl?sid=03/05/18/1416213andmode=nestedandthreshold=4andcommentsort=3), and hailed as an unusually realistic example of hacking compared to other movies [20] (http://www.theregister.co.uk/2003/05/16/matrix_sequel_has_hacker_cred/).
	www.securityforest.com /wiki/index.php/Nmap (618 words)

	GNUWin II is not maintained anymore! Information on this pages may be old and/or inacurate! :: Nmap 3.48
		Nmap ("Network Mapper") is an open source utility for Network exploration or security auditing.
		Nmap uses raw IP packets in novel ways to determine what hosts are available on the Network, what services (ports) they are offering, what operating system (and OS version) they are running, what type of packet filters/firewalls are in use, and dozens of other characteristics.
		Nmap is free software, available with full source code under the terms of the GNU GPL.
	gnuwin.epfl.ch /apps/nmap/en/index.html (150 words)

	CSC474/574 Nmap Lab Exercise
		Options to ‘nmap’ on the command-line are different types of scans that are specified with the -s flag.
		Nmap's functionality is greatly increased when run as root, because nonsuper-users don't have the ability to create the custom packets that Nmap utilizes.
		When an attacker is using TCP connect scans, because Nmap will use the connect() system call to open connections to interesting ports on the target host and complete the 3-way TCP handshake, the probe is easily detected by the target host.
	discovery.csc.ncsu.edu /Courses/csc474-S05/lab/Lab-nmap.html (1676 words)

	Download the Free Nmap Security Scanner for Linux/MAC/UNIX or Windows
		Nmap and NmapFE (the graphical X Window front end) are available in several versions and formats.
		Nmap is distributed with source code under the terms of the GNU General Public License, with certain clarifications and exceptions noted in the copyright page.
		If Nmap still doesn't work for you, please mail nmap-dev@insecure.org with a thorough description of the problem as well as the Windows flavor and Nmap version your are using.
	insecure.org /nmap/download.html (891 words)

	Nmap: A valuable open source tool for network security
		Nmap (Network Mapper) Security Scanner, written by Fyodor and now up to version 4, provides a wide range of port-scanning techniques designed to rapidly scan networks, large and small, for network exploration and security auditing.
		Nmap is a favorite hacker tool, so it makes sense to run your own scan and find open ports and see what information your network is leaking to potential attackers.
		Port scanning with Nmap is a fast and effective way to identify which ports are open, what services are running on them and where weak spots exist in your defences.
	searchsecurity.techtarget.com /tip/1,289483,sid14_gci1188110,00.html (783 words)

	SecurityDocs: Nmap
		NMAP is a multifaceted utility used to scan a range of IP addresses, identify active systems, determine which ports on those systems are open, and identify the respective operating systems.
		In plain English, nmap will scan a range of host addresses or a network address range entered at the command line.
		This paper discusses nmap, a very popular tool used to probe hosts to determine what services are available, this process may sometimes be used as a precursor to an attack on your systems.
	www.securitydocs.com /Security_Tools/Nmap (435 words)

	nmap-audit
		Added released version 1.64 of nmap-audit that works with all versions of nmap up to 3.46 (but for 3.45 which is currently unsupported).
		Updated nmap parsing routine to work with some quirky nmap output in versions up to and including 3.46.
		Updated nmap parsing routine to work with nmap versions up to and including 3.46.
	heavyk.org /nmap-audit (350 words)

	Tools of the Trade: nmap LG #56 (Site not responding. Last check: 2007-10-12)
		Nmap allows the user to scan networks as small as a two node LAN (Local Area Network) or as large as a 500 node LAN and even larger.
		Nmap uses what is called TCP/IP fingerprinting to try and accurately determine the OS of the given target.
		This instructs nmap to use a maximum amount of verbosity to run a stealth scan and OS detection against all machines between IP addresses 209.212.53.50 and 209.212.53.100.
	linuxgazette.net /issue56/flechtner.html (1925 words)

	Security Forums :: View topic - NMAP - Tutorial
		Nmap is a free, open-source port scanner available for both UNIX and Windows.
		This information is provided to assist users of Nmap in scanning their own networks, or networks for which they have been given permission to scan, in order to determine the security of such networks.
		This is instructing NMAP to run a Stealth scan (-sS) without pinging (-P0) on ports 1 to 140 (-p 1-140), to use OS Detection (-O) and to use Decoys (-D).
	www.security-forums.com /viewtopic.php?t=7872 (5832 words)

	Nmap 3.70 download - Nmap (Site not responding. Last check: 2007-10-12)
		Nmap - Utility for port scanning large networks.
		Nmap is a utility for port scanning large networks, although it works fine for single hosts.
		The guiding philosophy for the creation of nmap was TMTOWTDI (There's More Than One Way To Do It).
	www.icewalkers.com /Linux/Software/510500/nmap.html (184 words)

	NmapFE for OSX
		NmapFE is a Cocoa frontend for the popular Nmap port-scanning software written in Objective-C. It can also be useful as a "teaching tool" since it shows the user how to construct a complex Nmap command line based on their choices, and provides background information (via tooltips) on what the different choices mean.
		If you are not familiar with Nmap, I suggest reading through the documentation located at the website @ .
		Nmap is an open source tool maintained by Fyodor.
	faktory.org /m/software/nmap (405 words)

	Interpreting and acting on Nmap results
		One of the regular tasks you'll be performing with Nmap is verifying that your firewall rules are performing as intended.
		The Nmap TCP ACK scan (-sA) establishes whether packets can pass through your firewall unfiltered, and by adding the -ff option you can also test how it handles fragmented traffic.
		With many organizations having remote or virtual offices it is essential that regular audits are carried out of the devices connecting to the network, both for security and licensing purposes.
	searchsecurity.techtarget.com /tip/0,289483,sid14_gci1210014,00.html (762 words)

	Audit Your LAN Before the Bad Guys Do with nmap
		A more accurate definition of nmap is "TCP stack analyzer." nmap builds different types of TCP packets, sends them to the target, then analyzes the responses.
		It is quite amazing what the author of nmap, Fyodor, has accomplished by studying and analyzing TCP packets, and what different operating systems do to them.
		Nmapfe is a nice introduction to nmap's basic scans, however, it has only a small set of nmap's features.
	www.enterprisenetworkingplanet.com /netsecur/article.php/1429131 (1344 words)

	freshmeat.net: Project details for Nmap Security Scanner
		Nmap ("Network Mapper") is a utility for network exploration, administration, and security auditing.
		It uses IP packets in novel ways to determine which hosts are available online (host discovery), which TCP/UDP ports are open (port scanning), and what applications and services are listening on each port (version detection).
		Nmap offers flexible target and port specifications, decoy/stealth scanning for firewall and IDS evasion, and highly optimized timing algorithms for fast scanning.
	freshmeat.net /projects/nmap (453 words)

	Nmap-Parser : parse nmap data files
		It is implemented by parsing the xml scan data that is generated by nmap.
		I have written a brand new man page for Nmap which is more comprehensive (more than twice as long) and better organized than the previous one.
		It is meant to serve as a quick-reference to virtually all Nmap command-line arguments, but you can learn even more about Nmap by reading it straight through.
	npx.sourceforge.net (426 words)

	EDUCAUSE \| Security Task Force \| Nmap (Site not responding. Last check: 2007-10-12)
		Nmap Note: Although Nmap can be a useful computer security tool, it should not be used to hack or gain unauthorized access to computer systems.
		Newer versions of nmap have a feature to inspect open ports and discover what version of software is running.
		Another approach to scanning systems through a firewall that blocks ICMP is to use the TCP "ping" scan to only scan hosts that respond to TCP SYN or ACK packets sent to a specified port.
	www.educause.edu /Nmap/1295 (508 words)

	Matrix Sequel Has Hacker Cred
		Probably the most widely-used freeware hacking tool, the real-life Nmap is a sophisticated port scanner that sends packets to a machine -- or a network of machines -- in an attempt to determine what services are running.
		An Nmap port scan is a common prelude to an intrusion attempt -- a way of casing the joint, to find out if any vulnerable service are running.
		Discovered in February, 2001 by security analyst Michal Zalewski, the SSH CRC-32 bug is a very real buffer overflow in a chunk of code designed to guard against cryptographic attacks on SSH version one.
	www.securityfocus.com /news/4831 (594 words)

	nmap-web: quick-n-dirty web interface to nmap (Site not responding. Last check: 2007-10-12)
		nmap-web: A quick-n-dirty Web interface to nmap nmap at Insecure.Org is a very powerful and easy to use tool to check which ports are open/responding on your computer.
		which is basically a web interface to nmap and allows you to (via a web interface) quickly and easily select a list of ports and a list of hosts and it tells you which machines have which open ports.
		nmap generates this output itself; but nmap-web makes it just a little bit easier.
	www.komar.org /pres/nmap-web (363 words)

	Insecure.Org - Nmap Free Security Scanner, Tools & Hacking resources (via CobWeb/3.1 planetlab1.isi.jhu.edu) (Site not responding. Last check: 2007-10-12)
		Nmap was also used in a movie named The Listening about NSA spying (details)
		After several months of intense private development, we are pleased to release Nmap 3.45, including an advanced version detection system.
		She whips out Nmap version 2.54BETA25, uses it to find a vulnerable SSH server, and then proceeds to exploit it using the
	www.insecure.org.cob-web.org:8888 (1291 words)

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