Here is the description of how the NIH network suffered from DoS attack in that incident. Here is an FBI report on how the famous Melissa virus resulted in a denial of service on some networks. An article on TIME magazine tells you a story of how several young hackers hit FBI with a massive DoS attack and how they were caught, and discusses the problem of cybergang. On The Internet , gives an estimate of the total number of DoS incidents happened between 1989 and 1995. Back to top Explored solutions Most OS-related DoS attacks can be solved by patches .
Patches are small programs developed by vendors to fix the problem.
A common protection against networking-related attacks is setting up a firewall . There are also some other proposed techniques against networking-related attacks. To learn more about firewalls, this faq and this faq are good starting points. News groups like comp.security.firewalls and comp.security.misc also provide you useful information. RFC 2267 discusses how to defeat DoS attacks by filtering IP packets with spoofed source address.