The Matching Rules page shows the matching rules defined in schema.
The left part of the page lists the available matching rules.
The right part of the page shows the details of the selected matching rule:
Details: Shows the OID, name and description of the matching rule.
Syntax: Shows the syntax OID and description of the matching rule.
Used from: Shows attribute types using this matching rule.
Raw Schema Definition: Shows the raw value of the matching rule definition as returned from server.