Site maintains an extensive database of vulnerabilities and solutions including Denial Of Service attacks.

The Smurf Amplifier Registry (SAR) lets you probe Internet connected IP networks to see whether or not they are configured in a way that will allow perpetrators to use them for smurf amplification.

Collection of articles and links about Denial of Service attacks

Tools and patches to protect a person's computer from hackers, Denial of Service, and other intrusions.

Advice for victims of Denial Of Service Attacks, geared towards users of IRC (Internet Relay Chat)

Strategies to protect against distributed denial of service (DDoS) attacks. This article applies primarily to sites using Cisco equipment.

InternetWeek article written in the aftermath of the Denial of Service attack on Microsoft's domain name servers discusses various ways to combat these tactics.

White paper describing and providing practical information on how to minimize the effects of smurf attacks.

Link resources for understanding, diagnosing and preventing DDoS attacks.

Denial of Service developments including description, impact, and solutions.

An analysis of the DoS Project's trin00 master/slave programs, which implement a distributed network denial of service tool.

An analysis of "stacheldraht", a distributed denial of service attack tool, based on source code from the "Tribe Flood Network" distributed denial of service attack tool.

Discussion of the main DoS methods and how to protect your PCs and servers from them. [NetworkMagazine.com]

Special notice and analysis of Rootkit/Smurf Payload Toolkit v 1.1.

A DDoS exploit multiplies the disruptive power of denial of service attacks. The article discusses methods used and how to detect them. [NetworkMagazine.com]

February 1991 article on state of DDoS attacks, and what has been learned to that point.

Definition plus discussion of various types of DoS attacks and how they work, including Buffer Overflow, SYN, Teardrop and Smurf.

Knowledge base: including news articles, white papers, and advisories.

Article by M. E. Kabay about the effect of DDoS attacks on major e-commerce sites, and the legal ramifications thereof.

Shawn P. McCarthy provides a quick overview of various kinds of Distributed Denial of Service (DDoS) attacks. He also explains why defending against this type of attack requires upstream infrastructure providers to cooperate with the victim.

Details of many attacks: categorized by platform affected and using OSAT notation. No longer updated.

Description of how intruders use name servers to execute packet flooding denial of service attacks.

Updated bind packages for fixing DoS attack vulnerability in versions prior to 8.2.2_P7.

Analysis and investigation of the denial of service threat posed by Windows XP, and reports and logs from when GRC.com was the victim of a DDoS attack.

White paper detailing "easy and fast to implement methods to protect against those attacks." [PDF format]

Public service which proactively scans for networks acting as smurf amplifiers.

Security white paper describing some common magnification (smurf) attacks, what they are, and how to avoid them.

Academic paper and slides on Denial of Service attacks.

Offers filtering appliances with DDoS mitigation features.

An academic research paper on DDoS detection including attack simulation based on TFN2K, detection platform and analysis. [Requires PowerPoint]

Description of DDoS and prevention resources from Wikipedia Encyclopedia.

Research the latest Denial of Service Attacks technologies, tools and techniques. Read white papers, case studies, webcasts and product information from multiple vendors.

Solution paper on the use of bandwidth management to protect networks from distributed denial of service attacks and malicious traffic.

White paper describing and giving detailed information on distributed denial of service (DDoS) attacks and prevention and intervention methods. Illustrated.

Presentation notes and illustrations on denial of service attacks and countermeasures given at the University of Rome "La Sapienza"

A brief overview on identifying DoS attacks from the US-CERT (United States Computer Emergency Response Team).

Free, open source tool that can tell a zombie system to stop flooding. Zombie Zapper works against Trinoo, TFN, Stacheldraht, Troj_Trinoo (the trinoo daemon ported to Windows), and Shaft.

An illustrated white paper describing Distributed Denial of Service (DDoS) attack methodology and prevention.

Discussion about internet abuses and vulnerabilities, email spams, spyware and Trojan horses alert, and virus alert.

The National Infrastructure Protection Center (NIPC) serves as a national critical infrastructure threat assessment, warning, vulnerability, and law enforcement investigation and response entity.