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Free Network Security Tools

The evolution of the network security industry has included the creation of free network security software. Many free network security tools are considered more comprehensive and powerful than their commercial alternatives!





Windows XP  Linux Unix More Information...

As its name implies, nmap is a network mapping utility. Provide nmap with a TCP/IP address, and it will identify any open "doors" or ports that might be available on that remote TCP/IP device. Be sure to check out my free online comprehensive guide to nmap!



Windows XP  Linux Unix More Information...

Snort is free, open source, and one of the best network intrusion detection systems (NIDS) available. Snort has a large user community and is backed by a commercial company, Sourcefire.


Cain & Abel

Windows XP  More Information...

Cain & Abel is a password recovery tool for Microsoft Operating Systems. It allows easy recovery of various kind of passwords by sniffing the network, cracking encrypted passwords using Dictionary, Brute-Force and Cryptanalysis attacks, recording VoIP conversations, decoding scrambled passwords, revealing password boxes, uncovering cached passwords and analyzing routing protocols.


Metasploit Framework

Windows XP  Linux Unix More Information...

The Metasploit Framework is a complete environment for writing, testing, and using exploit code. This environment provides a solid platform for penetration-testing, shellcode development, and vulnerability research. The majority of the Framework is composed of object-oriented Perl code, with optional components written in C, assembler, and Python.


Home > Freebie Software List > Free Network Security Tools

Windows XP Works with a flavor of Windows
Linux Works with most Linux flavors
Unix Works with BSD and other Unix flavors