:orphan:

.. title:: CONFIG_BT_EATT_SEC_LEVEL

.. kconfig:: CONFIG_BT_EATT_SEC_LEVEL

CONFIG_BT_EATT_SEC_LEVEL
########################

*Enhanced ATT bearer security level*

Type: ``int``

Help
====

.. code-block:: none

    L2CAP server required security level of EATT bearers:
    Level 1 (BT_SECURITY_L1) = No encryption or authentication required
    Level 2 (BT_SECURITY_L2) = Only encryption required
    Level 3 (BT_SECURITY_L3) = Encryption and authentication required
    Level 4 (BT_SECURITY_L4) = Secure connection required

Direct dependencies
===================

\ :kconfig:`BT_EATT <CONFIG_BT_EATT>` && \ :kconfig:`BT_CONN <CONFIG_BT_CONN>` && \ :kconfig:`BT_HCI_HOST <CONFIG_BT_HCI_HOST>` && \ :kconfig:`BT_HCI <CONFIG_BT_HCI>` && \ :kconfig:`BT <CONFIG_BT>`

*(Includes any dependencies from ifs and menus.)*

Default
=======

- 1

Kconfig definition
==================



At ``<Zephyr Subsystem>/bluetooth/host/Kconfig.gatt:45``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Zephyr Subsystem>/Kconfig:9`` → ``<Zephyr Subsystem>/bluetooth/Kconfig:174`` → ``<Zephyr Subsystem>/bluetooth/host/Kconfig:454``

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → ATT and GATT Options → Enhanced ATT Bearers support [EXPERIMENTAL]

.. code-block:: kconfig

    config BT_EATT_SEC_LEVEL
    	int "Enhanced ATT bearer security level"
    	range 1 4
    	default 1
    	depends on BT_EATT && BT_CONN && BT_HCI_HOST && BT_HCI && BT
    	help
    	  L2CAP server required security level of EATT bearers:
    	  Level 1 (BT_SECURITY_L1) = No encryption or authentication required
    	  Level 2 (BT_SECURITY_L2) = Only encryption required
    	  Level 3 (BT_SECURITY_L3) = Encryption and authentication required
    	  Level 4 (BT_SECURITY_L4) = Secure connection required

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*