in reply to Remote Server Types
have you looked at
They seem to point at fingerprinting.. have a look at winfingerprinting
Winfingerprint is a Win32 MFC VC++ .NET based security tool that is able to Determine OS, enumerate users, groups, shares, SIDs, transports, sessions, services, service pack and hotfix level, date and time, disks, and open tcp and udp ports
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