http://grc.com/dos/grcdos.htm I believe you will be as fascinated and concerned as I am by the findings of my post-attack forensic analysis, and the results of my subsequent infiltration into the networks and technologies being used by some of the Internet's most active hackers. What Happened? On the evening of May 4th, 2001, GRC.COM suddenly dropped off the Internet: Stemming the Flood with Our ISP Within a minute of the start of the first attack it was clear that we were experiencing a "packet flooding" attack of some sort. A quick query of our Cisco router showed that both of our two T1 trunk interfaces to the Internet were receiving some sort of traffic at their maximum 1.54 megabit rate, while our outbound traffic had fallen to nearly zero, presumably because valid inbound traffic was no longer able to reach our server. We found ourselves in the situation that coined the term: Our site's users were being denied our services. [...] ISN is hosted by SecurityFocus.com --- To unsubscribe email isn-unsubscribeat_private
This archive was generated by hypermail 2b30 : Fri Jun 01 2001 - 02:57:12 PDT