[MS-CIFS]:
Common Internet File System (CIFS) Protocol
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Revision Summary
Date
Revision History
Revision Class
Comments
9/25/2009
1.0
Major
First Release.
11/6/2009
2.0
Major
Updated and revised the technical content.
12/18/2009
3.0
Major
Updated and revised the technical content.
1/29/2010
4.0
Major
Updated and revised the technical content.
3/12/2010
5.0
Major
Updated and revised the technical content.
4/23/2010
6.0
Major
Updated and revised the technical content.
6/4/2010
7.0
Major
Updated and revised the technical content.
7/16/2010
8.0
Major
Updated and revised the technical content.
8/27/2010
9.0
Major
Updated and revised the technical content.
10/8/2010
10.0
Major
Updated and revised the technical content.
11/19/2010
11.0
Major
Updated and revised the technical content.
1/7/2011
12.0
Major
Updated and revised the technical content.
2/11/2011
13.0
Major
Updated and revised the technical content.
3/25/2011
14.0
Major
Updated and revised the technical content.
5/6/2011
15.0
Major
Updated and revised the technical content.
6/17/2011
15.1
Minor
Clarified the meaning of the technical content.
9/23/2011
16.0
Major
Updated and revised the technical content.
12/16/2011
17.0
Major
Updated and revised the technical content.
3/30/2012
18.0
Major
Updated and revised the technical content.
7/12/2012
19.0
Major
Updated and revised the technical content.
10/25/2012
20.0
Major
Updated and revised the technical content.
1/31/2013
21.0
Major
Updated and revised the technical content.
8/8/2013
22.0
Major
Updated and revised the technical content.
11/14/2013
22.0
None
No changes to the meaning, language, or formatting of the technical content.
2/13/2014
23.0
Major
Updated and revised the technical content.
5/15/2014
24.0
Major
Updated and revised the technical content.
6/30/2015
25.0
Major
Significantly changed the technical content.
10/16/2015
25.0
None
No changes to the meaning, language, or formatting of the technical content.
7/14/2016
26.0
Major
Significantly changed the technical content.
6/1/2017
27.0
Major
Significantly changed the technical content.
12/1/2017
28.0
Major
Significantly changed the technical content.
Table of Contents
1Introduction17
1.1Glossary17
1.2References23
1.2.1Normative References23
1.2.2Informative References24
1.3Overview27
1.4Relationship to Other Protocols29
1.5Prerequisites/Preconditions30
1.6Applicability Statement30
1.7Versioning and Capability Negotiation31
1.8Vendor-Extensible Fields32
1.9Standards Assignments33
2Messages34
2.1Transport34
2.1.1NetBIOS-Based Transports34
2.1.1.1NetBIOS Frames (NBF) Protocol Transport34
2.1.1.2NetBIOS over TCP/UDP (NBT) Transport35
2.1.1.3NetBIOS over IPX/SPX (NBIPX) Transport35
2.1.1.4Other NetBIOS-Based Transports35
2.1.2Direct Hosting35
2.1.2.1Direct IPX Transport35
2.1.3Virtual Circuits39
2.2Message Syntax39
2.2.1Common Data Types41
2.2.1.1Character Sequences42
2.2.1.1.1File and Directory names42
2.2.1.1.2Pathnames43
2.2.1.1.3Wildcards43
2.2.1.2File Attributes43
2.2.1.2.1SMB_GEA43
2.2.1.2.1.1SMB_GEA_LIST44
2.2.1.2.2SMB_FEA44
2.2.1.2.2.1SMB_FEA_LIST46
2.2.1.2.3SMB_EXT_FILE_ATTR46
2.2.1.2.4SMB_FILE_ATTRIBUTES47
2.2.1.3Named Pipe Status (SMB_NMPIPE_STATUS)48
2.2.1.4Time49
2.2.1.4.1SMB_DATE50
2.2.1.4.2SMB_TIME50
2.2.1.4.3UTIME50
2.2.1.5Status Codes (SMB_ERROR)50
2.2.1.6Unique Identifiers51
2.2.1.6.1FID Generation52
2.2.1.6.2MID Generation52
2.2.1.6.3PID Generation52
2.2.1.6.4Connection ID (CID) Generation53
2.2.1.6.5Search ID (SID) Generation53
2.2.1.6.6SessionKey Generation53
2.2.1.6.7TID Generation54
2.2.1.6.8UID Generation54
2.2.2Defined Constants54
2.2.2.1SMB_COM Command Codes54
2.2.2.2Transaction Subcommand Codes61
2.2.2.3Information Level Codes64
2.2.2.3.1FIND Information Level Codes64
2.2.2.3.2QUERY_FS Information Level Codes65
2.2.2.3.3QUERY Information Level Codes65
2.2.2.3.4SET Information Level Codes66
2.2.2.4SMB Error Classes and Codes67
2.2.2.5Data Buffer Format Codes77
2.2.3SMB Message Structure78
2.2.3.1The SMB Header78
2.2.3.2Parameter Block84
2.2.3.3Data Block84
2.2.3.4Batched Messages ("AndX" Messages)85
2.2.3.4.1Follow-on Commands85
2.2.4SMB Commands86
2.2.4.1SMB_COM_CREATE_DIRECTORY (0x00)86
2.2.4.1.1Request86
2.2.4.1.2Response87
2.2.4.2SMB_COM_DELETE_DIRECTORY (0x01)88
2.2.4.2.1Request88
2.2.4.2.2Response89
2.2.4.3SMB_COM_OPEN (0x02)91
2.2.4.3.1Request91
2.2.4.3.2Response94
2.2.4.4SMB_COM_CREATE (0x03)98
2.2.4.4.1Request98
2.2.4.4.2Response99
2.2.4.5SMB_COM_CLOSE (0x04)102
2.2.4.5.1Request102
2.2.4.5.2Response103
2.2.4.6SMB_COM_FLUSH (0x05)104
2.2.4.6.1Request104
2.2.4.6.2Response105
2.2.4.7SMB_COM_DELETE (0x06)107
2.2.4.7.1Request107
2.2.4.7.2Response109
2.2.4.8SMB_COM_RENAME (0x07)110
2.2.4.8.1Request110
2.2.4.8.2Respons
