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authorSilke <silke@slxh.eu>2018-04-14 14:36:11 +0200
committerSilke Hofstra <silke@slxh.eu>2018-04-14 14:55:25 +0200
commitc4bdbc2bd2a1c90467de4d81eb3bf5ee7f6f8fb9 (patch)
tree9ccb5d32a3c3f5257f3b38310a954da777677936 /README.rst
parentMerge branch 'master' of https://github.com/matrix-org/synapse into develop (diff)
downloadsynapse-c4bdbc2bd2a1c90467de4d81eb3bf5ee7f6f8fb9.tar.xz
Clarify that SRV may not point to a CNAME
Signed-off-by: Silke Hofstra <silke@slxh.eu>
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diff --git a/README.rst b/README.rst
index 8812cc1b4f..28fbe45de6 100644
--- a/README.rst
+++ b/README.rst
@@ -614,6 +614,9 @@ should have the format ``_matrix._tcp.<yourdomain.com> <ttl> IN SRV 10 0 <port>
     $ dig -t srv _matrix._tcp.example.com
     _matrix._tcp.example.com. 3600    IN      SRV     10 0 8448 synapse.example.com.
 
+Note that the server hostname cannot be an alias (CNAME record): it has to point
+directly to the server hosting the synapse instance.
+
 You can then configure your homeserver to use ``<yourdomain.com>`` as the domain in
 its user-ids, by setting ``server_name``::