Network Tools
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John the Ripper is a fast password cracker, currently available for many flavors of Unix, Windows, DOS, BeOS, and OpenVMS.
John the Ripper password cracker
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 !
Nmap - Free Security Scanner For Network Exploration & Security Audits.
Come mingle with, and learn from, Wireshark core developers, network analysis veterans, and fellow users at SHARKFEST in Berkeley, CA June 24-27.
Wireshark · Go deep.
TCPDUMP/LIBPCAP public repository
This is the official web site of tcpdump , a powerful command-line packet analyzer; and libpcap , a portable C/C++ library for network traffic capture.
Its true - Nagios is a powerful, enterprise-class monitoring solution. But monitoring alone won't allow you to manage your infrastructure effectively. Check out some of the other enterprise solutions that can complement Nagios and make your work easier.
Enterprise Management Solutions
Packet Life
It was four years ago today when I published my first blog article here on packetlife.net.