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2.2.2.3 Information Level Codes

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The SMB protocol uses information levels in several Transaction2 subcommands to allow clients to query or set information about files, devices, and underlying object stores on servers. The following lists of information levels are organized based on their intended purpose: finding files or devices and related information, querying a specific file or device for information, setting file or device information, and querying object store information.

A small number of information levels (most notably SMB_INFO_STANDARD and the other LANMAN2.0 information levels) share the same name across multiple categories. This indicates that these information levels share similar, or at times identical, structures, but are distinct in their intended purposes.