Nmap - Revision history

Christoph at 00:04, 6 June 2021

2021-06-06T00:04:03Z

Christoph: /* See also */

2013-10-03T14:37:57Z

‎See also

Christoph: /* Usage */

2012-06-16T22:46:18Z

‎Usage

Christoph: /* See also */

2012-06-16T22:45:10Z

‎See also

Christoph: /* Examples */

2011-02-07T04:04:32Z

‎Examples

Christoph: /* See also */

2011-02-07T04:04:11Z

‎See also

Christoph: /* Examples */

2011-02-07T04:02:25Z

‎Examples

Christoph: /* Examples */

2009-08-13T00:02:08Z

‎Examples

Christoph: /* Tutorials, resources, etc. */

2008-01-07T05:34:42Z

‎Tutorials, resources, etc.

Christoph: /* External links */

2007-09-03T23:36:14Z

‎External links

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-'''nmap''' is network exploration tool and security scanner.
+'''nmap''' is a network exploration tool and security scanner.
-Nmap ("Network Mapper") is a free and open source 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 both console and graphical versions are available.
+Nmap ("Network Mapper") is a free and open-source 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 both console and graphical versions are available.
 ==Usage==
 ''Note: The man page has many more examples.''
 ===Examples===
 *Check to see if a port is open on your <code>localhost</code>:
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 It will return something like the following if the port is open:
   PORT   STATE SERVICE
-/tcp open  http
+/tcp open  HTTP
 *Get extended information on ports, etc.:

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 *[[snoop]] &mdash; capture and inspect network packets
 *[[netcat]] (aka <tt>nc</tt>) &mdash; a featured networking utility which reads and writes data across network connections, using the TCP/IP protocol.[http://netcat.sourceforge.net/]
 *[http://logi.cc/linux/netfilter-log-format.php3 Netfilter]
 *[http://logi.cc/nw/NetCalc.php3 NetCalc]

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   nmap -p 1-65535 -T5 -A -v 128.92.67.0/24 -oX scan.xml
 Replace <code>128.92.67.0/24</code> with your network description or the IP address of [http://blog.metasploit.com/2010/05/introducing-metasploitable.html Metasploitable].
 ==See also==

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 ==See also==
 *[[ngrep]]
 *[[tcpdump]] &mdash; dump traffic on a network[http://www.tcpdump.org/]

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 *To launch a full port scan with OS detection and service identification, use:
   nmap -p 1-65535 -T5 -A -v 128.92.67.0/24 -oX scan.xml
-Replace <code>128.92.67.0/24</code> with your network description or the IP address of Metasploitable.
+Replace <code>128.92.67.0/24</code> with your network description or the IP address of [http://blog.metasploit.com/2010/05/introducing-metasploitable.html Metasploitable].
 ==See also==

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 *[http://www.nagios.org/ Nagios] &mdash; an Open Source host, service, and network monitoring program.
 *[http://www.wireshark.org/ Wireshark] &mdash; network protocol analyser
 ==External links==

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 *Make Nmap choose 100,000 hosts at random and scan them for web servers (port 80). Host enumeration is disabled with -P0 since first sending a couple probes to determine whether a host is up is wasteful when you are only probing one port on each target host anyway:
   nmap -v -iR 10000 -P0 -p 80
 ==See also==

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 *Get extended information on ports, etc.:
   nmap -A -T4 localhost
 *Misc.:

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 *[http://www.openssl.org OpenSSL cryptography toolkit]
 ===Tutorials, resources, etc.===
 *[http://www.ethicalhacker.net/content/view/155/1/ Nmap from an Ethical Hacker's View, Part 1]
 [[Category:Linux Command Line Tools]]