Enable TCP Fast Open Connect support, if available, on the outgoing connections to authoritative servers. See :ref:`tcp-fast-open-support`.
``tcp-out-max-idle-ms``
----------------------
+-----------------------
.. versionadded:: 4.6.0
- Integer
Time outgoing TCP/DoT connections are left idle in milliseconds or 0 if no limit. After having been idle for this time, the connection is eligible for closing.
``tcp-out-max-idle-per-auth``
----------------------------
+-----------------------------
.. versionadded:: 4.6.0
- Integer
Maximum number of idle outgoing TCP/DoT connections to a specific IP per thread, 0 means do not keep idle connections open.
``tcp-out-max-queries``
-----------------------
+-----------------------
- Integer
- Default : 0
.. versionadded:: 4.6.0
``tcp-out-max-idle-per-thread``
------------------------------
+-------------------------------
.. versionadded:: 4.6.0
- Integer