See this at: prolexic.com| Added on 03/31/06

The Prolexic Intrusion Prevention Network (IPN) filters hundreds of large scale DDoS attacks every month -- this report summarizes the data collected during these attacks. This data is not part of a honeypot, but rather statistics taken from real... See more

The Prolexic Intrusion Prevention Network (IPN) filters hundreds of large scale DDoS attacks every month -- this report summarizes the data collected during these attacks. This data is not part of a honeypot, but rather statistics taken from real DDoS attacks. The following top-20 lists were generated from legitimate TCP sessions from attempted attacks over the last 6 months and are presented in percentage of the total sum. Percentages are based off of numbers of unique IP addresses from each network / country. See less

See this at: ethereal.com| Added on 03/09/06

is used by network professionals around the world for troubleshooting, analysis, software and protocol development, and education. It has all of the standard features you would expect in a protocol analyzer, and several features not seen in any other... See more

is used by network professionals around the world for troubleshooting, analysis, software and protocol development, and education. It has all of the standard features you would expect in a protocol analyzer, and several features not seen in any other product. Its open source license allows talented experts in the networking community to add enhancements. It runs on all popular computing platforms, including Unix, Linux, and Windows. See less

See this at: insecure.org| Added on 03/09/06

In May of 2003, I conducted a survey of Nmap users from the nmap-hackers mailing list to determine their favorite security tools. Each respondent could list up to 8. This was a followup to the highly successful June 2000 Top 50 list. An astounding... See more

In May of 2003, I conducted a survey of Nmap users from the nmap-hackers mailing list to determine their favorite security tools. Each respondent could list up to 8. This was a followup to the highly successful June 2000 Top 50 list. An astounding 1854 people responded in '03, and their recommendations were so impressive that I have expanded the list to 75 tools! Anyone in the security field would be well advised to go over the list and investigate tools they are unfamiliar with. I discovered several powerful new tools this way. I also plan to point newbies to this page whenever they write me saying "I do not know where to start". Respondents were allowed to list open source or commercial tools on any platform. Commercial tools are noted as such in the list below. Many of the descriptions were taken from the application home page or the Debian or Freshmeat package descriptions. I removed marketing fluff like "revolutionary" and "next generation". No votes for the Nmap Security Scanner... See less

Highlights: L0phtcrack currently costs $350/machine and no source code is provided.

See this at: subnetmask.info| Added on 01/03/06

OR enter the required number of nodes/hosts per network (including network & broadcast addresses)***:

OR enter the required number of nodes/hosts per network (including network & broadcast addresses)***: See less

See this at: all-nettools.com| Added on 11/02/05

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See this at: people.ee.ethz.ch| Added on 11/01/05

The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network-links. MRTG generates HTML pages containing graphical images which provide a LIVE visual representation of this traffic. Check http://www.ee.ethz.ch/stats/mrtg/... See more

The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network-links. MRTG generates HTML pages containing graphical images which provide a LIVE visual representation of this traffic. Check http://www.ee.ethz.ch/stats/mrtg/ for an example. MRTG is based on Perl and C and works under UNIX and Windows NT. MRTG is being successfully used on many sites around the net. See less

See this at: nagios.org| Added on 11/01/05

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See this at: stayinvisible.com| Added on 11/02/05

StayInvisible.com is a regulary updated source of information about Internet privacy, security, anonymous surfing, proxy servers (HTTP, HTTPS, SOCKS) and related tools and programs. StayInvisible.com provides you with a wide range of links to... See more

StayInvisible.com is a regulary updated source of information about Internet privacy, security, anonymous surfing, proxy servers (HTTP, HTTPS, SOCKS) and related tools and programs. StayInvisible.com provides you with a wide range of links to third-party sites where you can find free proxy server lists. See less