PORT SCANNERS
PORT SCANNERS
Analyze ports on your network and detect vulnerabilities with these programs.
Windows
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AATools Scans a network for vulnerable computers and open ports. Shareware. (http://www.glocksoft.com)
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AntiSniff Detects port sniffing on a network. Freeware. (http://www.l0pht.com/antisniff)
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NetBrute Searches for shared resources, detects open ports on a computer or network, and tests a website for password security. Freeware. (http://www.rawlogic.com/products.html)
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PortBlocker Blocks open ports on your computer to prevent them from being used by hackers or Trojan horses. Freeware. (http://www.analogx.com)
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SATAN (Security Administrator Tool for Analyzing Networks) Recognizes several common networking-related security problems and reports the problems without actually exploiting them. Freeware. (http://www.fish.com/satan/)
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TJ Ping Ping, traceroute, and lookup utility. Freeware. (http://www.topjimmy.net/tjs)
Linux
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Nmap Linux-based port scanner regarded as the most comprehensive port scanner currently available. Freeware. (http://www.insecure.org)
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Snort A lightweight network intrusion detection system, capable of performing real-time traffic analysis and packet logging on IP networks. C/C++ source code available. Freeware. (http://www.snort.org)
