Port scanner - Wikipedia, the free encyclopedia
A port scanner is a software application designed to probe a network host for open ports. This is often used by administrators to verify security policies of their networks and by hackers to identif...
en.wikipedia.org/wiki/Port_scanner
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The Art of Port Scanning - by Fyodor ... For port scanning, our technique is to use the PORT command to declare that our passive "User-DTP" is listening on the target box at a certain port number. Then we try to LIST the current directory, and the result is sent over the Server-DTP channel.
nmap.org/nmap_doc.html
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.
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Port scanning and how you can scan your own ports to discover holes! ... Port scanning can uncover a number of holes that a hacker could use against you, we cover how to scan ports and more below.
www.auditmypc.com/freescan/readingroom/port_scanning.as... www.auditmypc.com/freescan/readingroom/port_scanning.asp
This page describes the term port scanning and lists other pages on the Web where you can find additional information. ... The act of systematically scanning a computer's ports. Since a port is a place where information goes into and out of a computer, port scanning identifies open doors to a computer.
www.webopedia.com/TERM/S/port_scanning.html www.webopedia.com/TERM/S/port_scanning.html
Port Scanning is one of the most popular reconnaissance techniques attackers use to discover services they can break into. All machines connected to a LAN or connected to Internet via a modem run many services that listen at well-known and not so well-known ports.
www.cs.wright.edu/~pmateti/Courses/499/Probing/
Introduction to Port Scanning is a basic overview of TCP/IP port scanning - how to do it and what the results will or won't tell you- from your About.com Guide for Internet / Network Security, Tony Bradley ... What is port scanning? It is similar to a thief going through your neighborhood and checking every door and window...
netsecurity.about.com/cs/hackertools/a/aa121303.htm
Port Scanning is one of the most popular reconnaisance techniques hackers use to discover services they can break into. A potential victim computer runs many 'services' that listen at well-known 'ports'. By scanning which ports are available on the victim, the hacker finds potential weaknesses that can be exploited.
www.iss.net/security_center/advice/Underground/Hacking/... www.iss.net/security_center/advice/Underground/Hacking/Methods/Technical/Port_Scan/default.htm
web application security blog ... In this way you can create a very weak intranet port scan, that will stop scanning as soon as it hits the very first successful IP address internally. So it’s almost useless as an attack. But still - really? Why does wget of all things need to be vulnerable?
ha.ckers.org/blog/20090721/wget-dns-rebinding-and-weak-... ha.ckers.org/blog/20090721/wget-dns-rebinding-and-weak-intranet-port-scanning/
SANS SEC503 Gold Paper: IOSmap: TCP and UDP Port Scanning on Cisco IOS Platforms; 28 Sept, 2008 Robert VandenBrink Page 1 of 27; IOSMap: TCP and UDP Port Scanning on Cisco IOS Platforms; GCIA Gold Certification; Author;
www.sans.org/reading_room/whitepapers/tools/rss/iosmap_... www.sans.org/reading_room/whitepapers/tools/rss/iosmap_tcp_and_udp_port_scanning_on_cisco_ios_platforms_32964
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