Network Scanning
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Scanning the Internet with Nmap (Defcon 16) Tutorial
Description: How would you like to scan millions of hosts on the Internet and catalog all the interesting insights? This is exactly what Fyodor, the author of Nmap or Network Mapper did last summer.Nmap - Free Security Scanner For Network Exploration & Security Audits.
Urgent notice [March 29, 2012]: Students: Want to gain valuable experience this summer writing real code for Nmap and earn a $5,000 stipend? You have until Friday, April 6 to apply for the Nmap/Google Summer of Code ! Previous SoC students brought us the Nmap Scripting Engine , Ncat , and the Zenmap GUI ! Non-students: Please forward the link to any college/grad students you know.
OpenVAS - OpenVAS - Open Vulnerability Assessment System Community Site
OpenVAS is a framework of several services and tools offering a comprehensive and powerful vulnerability scanning and vulnerability management solution.
Tools and tutorials for network scanning, vulnerability detection(yes like finding things to hack) and much much more. For help on the subject pick up a Cisco book. by rajahmqar Jan 15