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authorerikjohnston <erikjohnston@users.noreply.github.com>2023-10-03 08:56:29 +0000
committererikjohnston <erikjohnston@users.noreply.github.com>2023-10-03 08:56:29 +0000
commit747fa72df3d005f79ab56c39ffe68be6bc0d2a6e (patch)
tree7f1cfc31bf2881dfc69bf52a70e4beabc46a0040 /develop/print.html
parentdeploy: 127b940dc0806b8d74456d34e3f636ef1f6f1c68 (diff)
downloadsynapse-747fa72df3d005f79ab56c39ffe68be6bc0d2a6e.tar.xz
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@@ -4709,6 +4709,10 @@ N.B. we recommend also firewalling your federation listener to limit
 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.</p>
+<p>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
+&quot;private federation&quot;, where a group of servers all whitelist each other and have
+the same whitelist.</p>
 <p>Example configuration:</p>
 <pre><code class="language-yaml">federation_domain_whitelist:
   - lon.example.com