Available Alerts
================

ntopng alerts are evaluated with :ref:`WebUIUserScripts`. Checks are executed for hosts, interfaces, SNMP devices, and other network elements, and are configurable under Checks from the Settings left sidebar.

.. figure:: ../img/alerts_checks_management.png
  :align: center
  :alt: Checks Configuration
  
Checks are desiged to verify specific conditions and when they are not met, trigger an alert. Below you can find the list of check families and available alerts

.. toctree::
    :maxdepth: 2

    host_checks
    host_rules
    host_volume_check
    interface_checks
    local_network_checks
    snmp_checks
    flow_checks
    system_checks
    syslog_checks