Description: The X.500 Directory Access Protocol is a protocol for accessing directory information in a network. This protocol is based on a hierarchical directory model that allows users and applications to search for and retrieve information about objects, such as users, groups, and resources, in a network. X.500 defines a set of standards that specify how information should be structured in a directory, as well as the methods for accessing it. It uses an object-oriented approach, where each entry in the directory is represented as an object with specific attributes. Among its main features are the ability to support large volumes of data and interoperability between different systems. Additionally, X.500 is based on the OSI transport protocol, allowing it to integrate into networks that use this model. Its relevance lies in its use in identity and access management applications, where an efficient and secure way to access user and resource information within networks is required. Although its implementation can be complex, its robustness and ability to handle structured information make it a valuable option for enterprise environments that require efficient access to directory data.