LDAP explained
The protocol behind company directories: how LDAP organises entries into a tree, what a distinguished name is, how binds and searches work, how to write a search filter, and how to use it safely.
CodexBash, , 5 min read
LDAP is the protocol programs use to ask a directory a question: does this person exist, what is their email, which groups are they in, is this their password. It is decades old and still everywhere, inside Active Directory, OpenLDAP and most corporate sign-in systems. If you build anything for a company's internal users, you will meet it. This article explains how it is organised and how to talk to it.
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