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-rw-r--r--docs/sample_config.yaml103
1 files changed, 91 insertions, 12 deletions
diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index d2f4aff826..10664ae8f7 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -54,15 +54,16 @@ pid_file: DATADIR/homeserver.pid
 #
 #require_auth_for_profile_requests: true
 
-# If set to 'false', requires authentication to access the server's public rooms
-# directory through the client API. Defaults to 'true'.
+# If set to 'true', removes the need for authentication to access the server's
+# public rooms directory through the client API, meaning that anyone can
+# query the room directory. Defaults to 'false'.
 #
-#allow_public_rooms_without_auth: false
+#allow_public_rooms_without_auth: true
 
-# If set to 'false', forbids any other homeserver to fetch the server's public
-# rooms directory via federation. Defaults to 'true'.
+# If set to 'true', allows any other homeserver to fetch the server's public
+# rooms directory via federation. Defaults to 'false'.
 #
-#allow_public_rooms_over_federation: false
+#allow_public_rooms_over_federation: true
 
 # The default room version for newly created rooms.
 #
@@ -72,7 +73,7 @@ pid_file: DATADIR/homeserver.pid
 # For example, for room version 1, default_room_version should be set
 # to "1".
 #
-#default_room_version: "4"
+#default_room_version: "5"
 
 # The GC threshold parameters to pass to `gc.set_threshold`, if defined
 #
@@ -287,7 +288,7 @@ listeners:
 # Used by phonehome stats to group together related servers.
 #server_context: context
 
-# Resource-constrained Homeserver Settings
+# Resource-constrained homeserver Settings
 #
 # If limit_remote_rooms.enabled is True, the room complexity will be
 # checked before a user joins a new remote room. If it is above
@@ -328,6 +329,69 @@ listeners:
 #
 #user_ips_max_age: 14d
 
+# Message retention policy at the server level.
+#
+# Room admins and mods can define a retention period for their rooms using the
+# 'm.room.retention' state event, and server admins can cap this period by setting
+# the 'allowed_lifetime_min' and 'allowed_lifetime_max' config options.
+#
+# If this feature is enabled, Synapse will regularly look for and purge events
+# which are older than the room's maximum retention period. Synapse will also
+# filter events received over federation so that events that should have been
+# purged are ignored and not stored again.
+#
+retention:
+  # The message retention policies feature is disabled by default. Uncomment the
+  # following line to enable it.
+  #
+  #enabled: true
+
+  # Default retention policy. If set, Synapse will apply it to rooms that lack the
+  # 'm.room.retention' state event. Currently, the value of 'min_lifetime' doesn't
+  # matter much because Synapse doesn't take it into account yet.
+  #
+  #default_policy:
+  #  min_lifetime: 1d
+  #  max_lifetime: 1y
+
+  # Retention policy limits. If set, a user won't be able to send a
+  # 'm.room.retention' event which features a 'min_lifetime' or a 'max_lifetime'
+  # that's not within this range. This is especially useful in closed federations,
+  # in which server admins can make sure every federating server applies the same
+  # rules.
+  #
+  #allowed_lifetime_min: 1d
+  #allowed_lifetime_max: 1y
+
+  # Server admins can define the settings of the background jobs purging the
+  # events which lifetime has expired under the 'purge_jobs' section.
+  #
+  # If no configuration is provided, a single job will be set up to delete expired
+  # events in every room daily.
+  #
+  # Each job's configuration defines which range of message lifetimes the job
+  # takes care of. For example, if 'shortest_max_lifetime' is '2d' and
+  # 'longest_max_lifetime' is '3d', the job will handle purging expired events in
+  # rooms whose state defines a 'max_lifetime' that's both higher than 2 days, and
+  # lower than or equal to 3 days. Both the minimum and the maximum value of a
+  # range are optional, e.g. a job with no 'shortest_max_lifetime' and a
+  # 'longest_max_lifetime' of '3d' will handle every room with a retention policy
+  # which 'max_lifetime' is lower than or equal to three days.
+  #
+  # The rationale for this per-job configuration is that some rooms might have a
+  # retention policy with a low 'max_lifetime', where history needs to be purged
+  # of outdated messages on a very frequent basis (e.g. every 5min), but not want
+  # that purge to be performed by a job that's iterating over every room it knows,
+  # which would be quite heavy on the server.
+  #
+  #purge_jobs:
+  #  - shortest_max_lifetime: 1d
+  #    longest_max_lifetime: 3d
+  #    interval: 5m:
+  #  - shortest_max_lifetime: 3d
+  #    longest_max_lifetime: 1y
+  #    interval: 24h
+
 
 ## TLS ##
 
@@ -743,11 +807,11 @@ uploads_path: "DATADIR/uploads"
 ## Captcha ##
 # See docs/CAPTCHA_SETUP for full details of configuring this.
 
-# This Home Server's ReCAPTCHA public key.
+# This homeserver's ReCAPTCHA public key.
 #
 #recaptcha_public_key: "YOUR_PUBLIC_KEY"
 
-# This Home Server's ReCAPTCHA private key.
+# This homeserver's ReCAPTCHA private key.
 #
 #recaptcha_private_key: "YOUR_PRIVATE_KEY"
 
@@ -1270,8 +1334,23 @@ password_config:
 #   smtp_user: "exampleusername"
 #   smtp_pass: "examplepassword"
 #   require_transport_security: false
-#   notif_from: "Your Friendly %(app)s Home Server <noreply@example.com>"
-#   app_name: Matrix
+#
+#   # notif_from defines the "From" address to use when sending emails.
+#   # It must be set if email sending is enabled.
+#   #
+#   # The placeholder '%(app)s' will be replaced by the application name,
+#   # which is normally 'app_name' (below), but may be overridden by the
+#   # Matrix client application.
+#   #
+#   # Note that the placeholder must be written '%(app)s', including the
+#   # trailing 's'.
+#   #
+#   notif_from: "Your Friendly %(app)s homeserver <noreply@example.com>"
+#
+#   # app_name defines the default value for '%(app)s' in notif_from. It
+#   # defaults to 'Matrix'.
+#   #
+#   #app_name: my_branded_matrix_server
 #
 #   # Enable email notifications by default
 #   #