Re: Skype Network Remote DoS Exploit
- From: "Steven M. Christey" <coley@xxxxxxxxx>
- Date: Mon, 20 Aug 2007 13:39:14 -0400 (EDT)
The outage being experienced by Skype was apparently due to massive
simultaneous reboots and reconnects after systems installed their
The disruption was triggered by a massive restart of our users'
computers across the globe within a very short timeframe as they
re-booted after receiving a routine set of patches through Windows
The high number of restarts affected Skype's network resources.
This caused a flood of log-in requests, which, combined with the
lack of peer-to-peer network resources, prompted a chain reaction
that had a critical impact.
I wonder how many other services are impacted by simultaneous Windows
Anyway... given that this was going on at the time the SecurityLab.ru
exploit was released, and the exploit only claims a DoS (and only
seems to make a series of requests to long URIs), was the exploit
actually effective, or was the "DoS" just part of the larger outage?
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