[S] Change in openvpn[master]: DNS server documentation update

cron2 has submitted this change. ( http://gerrit.openvpn.net/c/openvpn/+/1646?usp=email )

Change subject: DNS server documentation update
......................................................................

DNS server documentation update

Github: OpenVPN/openvpn#937

Change-Id: I53b3f4c60897a1f4dd5efeb6575d525ffb082402
Signed-off-by: Selva Nair <[email protected]>
Acked-by: Frank Lichtenheld <[email protected]>
Gerrit URL: https://gerrit.openvpn.net/c/openvpn/+/1646
Message-Id: <[email protected]>
URL: https://www.mail-archive.com/[email protected]/msg36816.html
Signed-off-by: Gert Doering <[email protected]>
---
M doc/man-sections/client-options.rst
1 file changed, 15 insertions(+), 1 deletion(-)




diff --git a/doc/man-sections/client-options.rst b/doc/man-sections/client-options.rst
index 1664eed..3ad9104 100644
--- a/doc/man-sections/client-options.rst
+++ b/doc/man-sections/client-options.rst
@@ -216,7 +216,8 @@
   DNS server options it must be between 0 and 127. The server id is used
   to group options and also for ordering the list of configured DNS servers;
   lower numbers come first. DNS servers being pushed to a client replace
-  already configured DNS servers with the same server id.
+  already configured DNS servers with the same server id. Only the group of
+  options corresponding to the lowest server id is applied.
 
   The ``address`` option configures the IPv4 and / or IPv6 address(es) of
   the DNS server. Up to eight addresses can be specified per DNS server.
@@ -249,6 +250,19 @@
   so that ``--dns`` overrides ``--dhcp-option``. Thus, ``--dns`` can be used today
   to migrate from ``--dhcp-option``.
 
+  Windows only:
+
+  #. If tap-windows6 is in use, dns servers are set by DHCP by default.
+     In this case only ``--dns search-domains`` and ``--dns server n address ..``
+     with the lowest value of ``n`` are interpreted. All other ``--dns`` options
+     are ignored. Use of the dco driver is the recommended way to make use of these
+     new features.
+
+  #. If ``--dns server n resolve-domains`` is in use, the DNS server addresses
+     corresponding to ``n`` are set on the interface only if ``search-domains`` is
+     also specified.  Otherwise these DNS addresses are used only for NRPT rules for
+     split-DNS.
+
 --explicit-exit-notify n
   In UDP client mode or point-to-point mode, send server/peer an exit
   notification if tunnel is restarted or OpenVPN process is exited. In

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Gerrit-MessageType: merged
Gerrit-Project: openvpn
Gerrit-Branch: master
Gerrit-Change-Id: I53b3f4c60897a1f4dd5efeb6575d525ffb082402
Gerrit-Change-Number: 1646
Gerrit-PatchSet: 3
Gerrit-Owner: selvanair <[email protected]>
Gerrit-Reviewer: flichtenheld <[email protected]>
Gerrit-Reviewer: plaisthos <[email protected]>
Gerrit-CC: openvpn-devel <[email protected]>

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