[cifs-protocol] Structure of prefixMap over LDAP

Obaid Farooqi obaidf at microsoft.com
Wed Nov 11 13:38:28 MST 2009

Hi Andrew:
I'll be helping you with your question regarding perfMap over LDAP. If you have any question/clarification about this issue, please feel free to contact me.

Obaid Farooqi
Sr. Support Escalation Engineer | Microsoft

-----Original Message-----
From: Andrew Bartlett [mailto:abartlet at samba.org] 
Sent: Tuesday, November 10, 2009 6:39 PM
To: Interoperability Documentation Help
Cc: cifs-protocol at samba.org; pfif at tridgell.net
Subject: Structure of prefixMap over LDAP

MS-ADA3 2.115 describes the prefixmap:

  Attribute prefixMap
  The prefixMap attribute is for internal use only.

However, it is exposed over LDAP, and I don't see a description of it's format in MS-ADTS.  With ldp I see only: 'binary blob'.  With ldbsearch, I see:

bin/ldbsearch -H ldap://win2k3-2.ad.naomi.abartlet.net -s base -b CN=Schema,CN=Configuration,DC=ad,DC=naomi,DC=abartlet,DC=net
-Uadministrator prefixMap

# record 1
dn: CN=Schema,CN=Configuration,DC=ad,DC=naomi,DC=abartlet,DC=net

(and our --show-binary option does not know how to parse this). 

It was in the past assumed that this attribute was not available over LDAP, but as it is, could you please describe the format?


Andrew Bartlett

Andrew Bartlett                                http://samba.org/~abartlet/
Authentication Developer, Samba Team           http://samba.org
Samba Developer, Cisco Inc.

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