DAP - Directory Access Protocol
================================

.. panels::
    :container: container pb-4
    :column: col-lg-12 p-2
    :card: shadow

    .. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        **What is DAP?**

        DAP stands for Directory Access Protocol. It is a protocol used to access information stored in a directory service, such as X.500 directory services. It provides a standard way for users and applications to retrieve and manage directory information.

    .. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        **Why is DAP useful?**

        * Allows access to distributed directory services.
        * Enables the retrieval of user, device, and resource information in large networks.
        * Supports complex queries and hierarchical data structures.
        * Promotes standardization in directory access.

    .. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        **How it works?**

        * A client sends a DAP request to a directory server.
        * The directory server processes the request using X.500 standards.
        * The server returns the requested data or performs the requested action (e.g., search, read, compare).
        * Communication follows a strict data format defined in ASN.1 over OSI protocols.

    .. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        **Where is DAP used?**

        * X.500 directory services in enterprise and government networks.
        * Legacy systems requiring detailed directory-based authentication and identity services.
        * Environments where complete OSI model protocol stacks are used.

    .. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        **Which OSI layer does this protocol belong to?**

        * DAP operates at the Application Layer (Layer 7) of the OSI model.
        * It defines how clients interact with directory services, relying on lower OSI layers for data transport.

    .. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        **IS DAP Windows specific?**

        * No, DAP is not Windows-specific.
        * It is a platform-independent protocol defined as part of the OSI suite, though it is less common today.

    .. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        **IS DAP Linux Specific?**

        * No, DAP is not Linux-specific.
        * It can be implemented on any operating system that supports OSI protocol stacks.

    .. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        **Which Transport Protocol is used by DAP?**

        * DAP typically uses OSI transport protocols, such as TP4.
        * In some implementations, it may run over TCP/IP via a gateway or adaptation layer.

    .. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        **Which Port is used by DAP?**

        * DAP itself does not use traditional TCP/IP ports.
        * It operates over OSI protocols, but when tunneled through TCP/IP, it may use port 102 for the OSI transport service.

    .. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        **Is DAP using Client server model?**

        * Yes, DAP uses the client-server model.
        * Clients send directory access requests to directory servers, which process and respond to those requests.


.. panels::
        :container: container pb-4
        :column: col-lg-12 p-2
        :card: shadow

        Topics in this section,

                * :ref:`Learnings in this section <DAP_step1>`

                * :ref:`Terminology <DAP_step2>`

                * :ref:`Version Info <DAP_step3>`

                * :ref:`DAP Version&IEEE Details <DAP_step5>`

                * :ref:`DAP Basic Setup on Ubuntu using IPv4 <DAP_step18>`

                * :ref:`DAP Basic Setup on Ubuntu using IPv6 <DAP_step19>`

                * :ref:`DAP Protocol Packet Details <DAP_step6>`

                * :ref:`DAP Usecases <DAP_step7>`

                * :ref:`DAP Basic Features <DAP_step8>`
                    
                * :ref:`Reference links <DAP_step17>`


.. _DAP_step1:

.. tab-set::

    .. tab-item:: Learnings in this section

        * In this section, you are going to learn

.. _DAP_step2:

.. tab-set::

    .. tab-item:: Terminology
        
       * Terminology


.. _DAP_step3:

.. tab-set::

    .. tab-item:: Version Info
    
         * Version Info


.. _DAP_step5:

.. tab-set::

    .. tab-item:: DAP Version&RFC Details

        * rfc details

.. _DAP_step18:

.. tab-set::

    .. tab-item:: DAP Basic Setup on Ubuntu using IPv4

       * setup

.. _DAP_step19:

.. tab-set::
  
   .. tab-item:: DAP Basic Setup on Ubuntu using IPv6

     * setup
       
.. _DAP_step6:

.. tab-set::

    .. tab-item:: DAP Protocol Packet Details

        * packet details
       


.. _DAP_step7:

.. tab-set::

    .. tab-item:: DAP Usecases

       * usecases
        
        

.. _DAP_step8:

.. tab-set::

    .. tab-item:: DAP Basic Features
    
        * features 



.. _DAP_step17:

.. tab-set::

    .. tab-item:: Reference links
     
       * Reference links