What are CN OU DC in an LDAP search

Question

I have a search query in LDAP like this  What exactly does this query mean     CN Dev-India OU Distribution Groups DC gp DC gl DC google DC com

User · Answer

What are CN  OU  DC   From RFC2253  UTF-8 String Representation of Distinguished Names     String  X 500 AttributeType ------------------------------ CN      commonName L       localityName ST      stateOrProvinceName O       organizationName OU      organizationalUnitName C       countryName STREET  streetAddress DC      domainComponent UID     userid     What does the string from that query mean   The string   CN Dev-India OU Distribution Groups DC gp DC gl DC google DC com   is a path from an hierarchical structure  DIT   Directory Information Tree  and should be read from right  root  to left  leaf     It is a DN  Distinguished Name   a series of comma-separated key value pairs used to identify entries uniquely in the directory hierarchy   The DN is actually the entry s fully qualified name   Here you can see an example where I added some more possible entries  The actual path is represented using green     The following paths represent DNs  and their value depends on what you want to get after the query is run      DC gp DC gl DC google DC com   OU Distribution Groups DC gp DC gl DC google DC com   OU People DC gp DC gl DC google DC com   OU Groups DC gp DC gl DC google DC com   CN QA-Romania OU Distribution Groups DC gp DC gl DC google DC com   CN Dev-India OU Distribution Groups DC gp DC gl DC google DC com   CN Diana Anton OU People DC gp DC gl DC google DC com

User · Answer

CN   Common Name OU   Organizational Unit DC   Domain Component   These are all parts of the X 500 Directory Specification  which defines nodes in a LDAP directory   You can also read up on LDAP data Interchange Format  LDIF   which is an alternate format   You read it from right to left  the right-most component is the root of the tree  and the left most component is the node  or leaf  you want to reach   Each   pair is a search criteria    With your example query    CN Dev-India OU Distribution Groups DC gp DC gl DC google DC com      In effect the query is   From the com Domain Component  find the google Domain Component  and then inside it the gl Domain Component and then inside it the gp Domain Component   In the gp Domain Component  find the Organizational Unit called Distribution Groups and then find the the object that has a common name of Dev-India

User · Answer

At least with Active Directory  I have been able to search by DistinguishedName by doing an LDAP query in this format  assuming that such a record exists with this distinguishedName    quot  distinguishedName CN Dev-India OU Distribution Groups DC gp DC gl DC google DC com  quot

User · Answer

I want to add somethings different from definitions of words  Most of them will be visual   Technically  LDAP is just a protocol that defines the method by which directory data is accessed Necessarily  it also defines and describes how data is represented in the directory service   Data is represented in an LDAP system as a hierarchy of objects  each of which is called an entry  The resulting tree structure is called a Directory Information Tree  DIT   The top of the tree is commonly called the root  a k a base or the suffix    To navigate the DIT we can define a path  a DN  to the place where our data is  cn DEV-India ou Distrubition Groups dc gp dc gl dc google dc com will take us to a unique entry  or we can define a path  a DN  to where we think our data is  say  ou Distrubition Groups dc gp dc gl dc google dc com  then search for the attribute value or multiple attribute value pairs to find our target entry  or entries       If you want to get more depth information  you visit here

[active-directory] What are CN, OU, DC in an LDAP search?

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