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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). This is the Perl slogan, but it is equally applicable to scanners.
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www.cotse.com/tools/pscan.htm
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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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AATools - it is a 11-in-1 utility, including TCP/UDP Security Port Scanner, CGI Analyzer, Proxy Analyzer, Email Verifier, Links Analyzer, Network Status, Process Info, Whois, System Info, Resource Viewer and Registry Cleaner. ... Have you been port scanned lately? Completely ignoring network security is not smart and...
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www.glocksoft.com/aatools.htm
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PortDetective sniffs out your Open Ports on your ISP and Local PC ... The Port Detective performs a remote port scan on your IP address. This scan helps you determine if you are properly secured, or if you have the proper ports available and open for hosting a server on your Cable or DSL modem.
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www.portdetective.com/
www.portdetective.com/
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Foundstone Scanline; Formerly FScan. Command line port scanner. ... Firewalls.com Port Scan; Firewalls.com's free port scanner is a simple yet informative web based scan. The results are accurate but in no way reflect what a complete network scan can do. ... free port scanners...
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netsecurity.about.com/cs/hackertools/a/aafreeportscan.h...
netsecurity.about.com/cs/hackertools/a/aafreeportscan.htm
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Review of the top 4 port scanners (free or commercial), as voted on by 3,200 Nmap Security Scanner users ... This is the category page for port scanners -- the full network security list is available here. Anyone in the security field would be well advised to go over the list and investigate tools they are unfamiliar with.
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sectools.org/port-scanners.html
sectools.org/port-scanners.html
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The basic principle is if the port is open it will give an error and you can trap it, if it is closed you cannot trap it. That’s the basic idea. There’s a lot more to it, obviously, but that’s the basic premise. ... Port scanners can be found in several forms exe, MSexcel, php, cgi. Now JS is the most compatible away...
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ha.ckers.org/blog/20060802/javascript-port-scanners/
ha.ckers.org/blog/20060802/javascript-port-scanners/
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Ask Slashdot: Can Linux use Parallel Port Scanners? -- article related to Index, Linux, Software, and Ask Slashdot. ... serial port scanners? (Score:1)
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slashdot.org/article.pl?sid=99/01/05/1230210&mode=threa...
slashdot.org/article.pl?sid=99/01/05/1230210&mode=thread
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A port scan is very similar to what your browser does. It's an attempt to reach a certain port in order to determine whether the port accepts a connection. The ports may differ, but the process is the same. Port scanners simply determine if the port is listening for connection.
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www.dslreports.com/faq/3497
www.dslreports.com/faq/3497
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