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| -rw-r--r-- | doc/config-answer-reordering.rst | 17 |
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diff --git a/doc/config-answer-reordering.rst b/doc/config-answer-reordering.rst new file mode 100644 index 0000000..624e7d4 --- /dev/null +++ b/doc/config-answer-reordering.rst @@ -0,0 +1,17 @@ +.. SPDX-License-Identifier: GPL-3.0-or-later + +Answer reordering +================= +Certain clients are "dumb" and always connect to first IP address or name found +in a DNS answer received from resolver instead of picking randomly. +As a workaround for such broken clients it is possible to randomize +order of records in DNS answers sent by resolver: + +.. function:: reorder_RR([true | false]) + + :param boolean new_value: ``true`` to enable or ``false`` to disable randomization *(optional)* + :return: The (new) value of the option + + If set, resolver will vary the order of resource records within RR sets. + It is enabled by default since 5.3.0. + |