dnsdist: Document the default behaviour of setRandomizedIdsOverUDP and setRandomizedO...

diff --git a/pdns/dnsdistdist/docs/reference/tuning.rst b/pdns/dnsdistdist/docs/reference/tuning.rst
index 9e2f517d22434f966ebc321bb041edb2363da012..1a8750868fa53405bb3f364a5839105da862ea4e 100644 (file)
--- a/pdns/dnsdistdist/docs/reference/tuning.rst
+++ b/pdns/dnsdistdist/docs/reference/tuning.rst
@@ -131,12 +131,14 @@ Tuning related functions
   Setting this parameter to true (default is false) will randomize the IDs in outgoing UDP queries, at a small performance cost, ignoring the :func:`setMaxUDPOutstanding`
   value. This is only useful if the path between dnsdist and the backend is not trusted and the 'TCP-only', DNS over TLS or DNS over HTTPS transports cannot be used.
   See also :func:`setRandomizedOutgoingSockets`.
+  The default is to use a linearly increasing counter from 0 to 65535, wrapping back to 0 when necessary.
 
 .. function:: setRandomizedOutgoingSockets(val):
 
   .. versionadded:: 1.8.0
 
   Setting this parameter to true (default is false) will randomize the outgoing socket used when forwarding a query to a backend.
+  The default is to use a round-robin mechanism to select the outgoing socket.
   This requires configuring the backend to use more than one outgoing socket via the ``sockets`` parameter of :func:`newServer`
   to be of any use, and only makes sense if the path between dnsdist and the backend is not trusted and the 'TCP-only', DNS over
   TLS or DNS over HTTPS transports cannot be used.