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authorErik Johnston <erikj@matrix.org>2023-10-03 11:55:29 +0300
committerGitHub <noreply@github.com>2023-10-03 09:55:29 +0100
commit1e67191a79a06fb4031b17c24b4621c066345182 (patch)
tree08fd0484de44c568d3293c49a95f62a8d1909b4c /docs
parentClean-up old release notes (#16418) (diff)
downloadsynapse-1e67191a79a06fb4031b17c24b4621c066345182.tar.xz
Add note to 'federation_domain_whitelist' option (#16416)
Diffstat (limited to 'docs')
-rw-r--r--docs/usage/configuration/config_documentation.md5
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/usage/configuration/config_documentation.md b/docs/usage/configuration/config_documentation.md
index 502cd9f823..92e00c1380 100644
--- a/docs/usage/configuration/config_documentation.md
+++ b/docs/usage/configuration/config_documentation.md
@@ -1190,6 +1190,11 @@ inbound federation traffic as early as possible, rather than relying
 purely on this application-layer restriction.  If not specified, the
 default is to whitelist everything.
 
+Note: this does not stop a server from joining rooms that servers not on the
+whitelist are in. As such, this option is really only useful to establish a
+"private federation", where a group of servers all whitelist each other and have
+the same whitelist.
+
 Example configuration:
 ```yaml
 federation_domain_whitelist: