source: http://www.securityfocus.com/bid/31091/info Apple Bonjour for Windows is prone to a denial-of-service issue because of a NULL-pointer dereference. Successfully exploiting this issue will allow attackers to crash the mDNSResponder system service, denying service to legitimate users. Bonjour for Windows 1.0.4 is vulnerable. http://diechromedie.1234567890123456789012345678901234567890123456789012345678901234.local/