This is not a rumor.
According to this Seattle Times article, M$ has shutdown its WindowsUpdate site in order to foil the Blaster worm. According to Netcraft, M$ replaced its Windows 2003 server running IIS with an Akamai Linux server running AkamaiGHost.
According to this Seattle Times article, M$ has shutdown its WindowsUpdate site in order to foil the Blaster worm. According to Netcraft, M$ replaced its Windows 2003 server running IIS with an Akamai Linux server running AkamaiGHost.