"The Netcraft Web Server Survey is a survey of Web Server software usage on Internet connected computers. We collect and collate as many hostnames providing an http service as we can find, and systematically poll each one with an HTTP request for the server name.
In the October 2001 survey we received responses from 33,135,768 sites. "
During the last month, some 1,506 Microsoft-IIS sites have moved to Zeus, and 1,719 are now running Netscape-Enterprise. Ironically, the lions share of the 131,417 sites which have moved from Microsoft-IIS, have moved to Apache which has no explicit campaign to encourage Microsoft-IIS sites to transition to the server, though at least 4500 of these are running on Cobalt servers, traditionally a close competitor for Microsoft in the dedicated server market.
The number of sites found to be vulnerable by our tests peaked at over 60% in June, and shows how ripe the internet was for Code Red. The significant fall since shows the combined impact of Code Red, and Microsoft's first cumulative security patch.
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