+5811. [bug] Reimplement the maximum and idle timeouts for outgoing
+ zone tranfers. [GL #1897]
+
5807. [bug] Add a TCP "write" timer, and time out writing
connections after the "tcp-idle-timeout" period
has elapsed. [GL #3132]
been fixed by adding a "write" timer. Connections that are hung
while writing will now time out after the ``tcp-idle-timeout`` period
has elapsed. :gl:`#3132`
+
+- The ``max-transfer-time-out`` and ``max-transfer-idle-out`` options were
+ not implemented when the BIND 9 networking stack was refactored in 9.16.
+ The missing functionality has been re-implemented and outgoing zone
+ transfers now time out properly when not progressing. :gl:`#1897`