.. topic:: Upgrade to OSSEC+ for Free

    `OSSEC+ <https://www.ossec.net/ossec-downloads/>`_ provides additional capabilities to the basic OSSEC version such as the Machine Learning System for those that simply register. The cost is still free but `OSSEC+ <https://www.ossec.net/ossec-downloads/>`_ does more! 
   

    * ELK Stack 
    * Real Time Community Threat Sharing 
    * 1000s of New Rules 
    * Machine Learning.


===================
OSSEC Documentation
===================

OSSEC is an Open Source Host based Intrusion Detection System. It performs log analysis,
integrity checking, Windows registry monitoring, rootkit detection, real-time alerting
and active response. It runs on most operating systems, including Linux, OpenBSD,
FreeBSD, Mac OS X, Solaris and Windows. A list with all supported platforms is available
at: :ref:`supported-systems`

Manual 
======


.. toctree::
   :maxdepth: 2
   :glob:

   docs/manual/index


FAQ
===

.. toctree::
   :maxdepth: 2
   :glob:

   docs/faq/index

   docs/cookbooks/index

Development
===========

.. toctree::
   :maxdepth: 2
   :glob:

   docs/development/build/index 

   docs/development/oRFC/index 

Reference 
=========

.. toctree::
    :maxdepth: 2

    docs/syntax/index
    docs/formats/index
    docs/programs/index
    docs/examples/index



Indices and tables
==================

* :ref:`genindex`
* :ref:`modindex`
* :ref:`search`