diff --git a/docs/sample_config.yaml b/docs/sample_config.yaml
index 8888fd49c4..bd80d97a93 100644
--- a/docs/sample_config.yaml
+++ b/docs/sample_config.yaml
@@ -69,6 +69,30 @@ pid_file: DATADIR/homeserver.pid
#
#use_presence: false
+# Whether to require authentication to retrieve profile data (avatars,
+# display names) of other users through the client API. Defaults to
+# 'false'. Note that profile data is also available via the federation
+# API, so this setting is of limited value if federation is enabled on
+# the server.
+#
+#require_auth_for_profile_requests: true
+
+# If set to 'true', requires authentication to access the server's
+# public rooms directory through the client API, and forbids any other
+# homeserver to fetch it via federation. Defaults to 'false'.
+#
+#restrict_public_rooms_to_local_users: true
+
+# The default room version for newly created rooms.
+#
+# Known room versions are listed here:
+# https://matrix.org/docs/spec/#complete-list-of-room-versions
+#
+# For example, for room version 1, default_room_version should be set
+# to "1".
+#
+#default_room_version: "4"
+
# The GC threshold parameters to pass to `gc.set_threshold`, if defined
#
#gc_thresholds: [700, 10, 10]
@@ -101,6 +125,24 @@ pid_file: DATADIR/homeserver.pid
# - nyc.example.com
# - syd.example.com
+# Prevent federation requests from being sent to the following
+# blacklist IP address CIDR ranges. If this option is not specified, or
+# specified with an empty list, no ip range blacklist will be enforced.
+#
+# (0.0.0.0 and :: are always blacklisted, whether or not they are explicitly
+# listed here, since they correspond to unroutable addresses.)
+#
+federation_ip_range_blacklist:
+ - '127.0.0.0/8'
+ - '10.0.0.0/8'
+ - '172.16.0.0/12'
+ - '192.168.0.0/16'
+ - '100.64.0.0/10'
+ - '169.254.0.0/16'
+ - '::1/128'
+ - 'fe80::/64'
+ - 'fc00::/7'
+
# List of ports that Synapse should listen on, their purpose and their
# configuration.
#
@@ -136,8 +178,8 @@ pid_file: DATADIR/homeserver.pid
#
# Valid resource names are:
#
-# client: the client-server API (/_matrix/client). Also implies 'media' and
-# 'static'.
+# client: the client-server API (/_matrix/client), and the synapse admin
+# API (/_synapse/admin). Also implies 'media' and 'static'.
#
# consent: user consent forms (/_matrix/consent). See
# docs/consent_tracking.md.
@@ -219,6 +261,22 @@ listeners:
# Monthly Active User Blocking
#
+# Used in cases where the admin or server owner wants to limit to the
+# number of monthly active users.
+#
+# 'limit_usage_by_mau' disables/enables monthly active user blocking. When
+# anabled and a limit is reached the server returns a 'ResourceLimitError'
+# with error type Codes.RESOURCE_LIMIT_EXCEEDED
+#
+# 'max_mau_value' is the hard limit of monthly active users above which
+# the server will start blocking user actions.
+#
+# 'mau_trial_days' is a means to add a grace period for active users. It
+# means that users must be active for this number of days before they
+# can be considered active and guards against the case where lots of users
+# sign up in a short space of time never to return after their initial
+# session.
+#
#limit_usage_by_mau: False
#max_mau_value: 50
#mau_trial_days: 2
@@ -239,6 +297,17 @@ listeners:
# Used by phonehome stats to group together related servers.
#server_context: context
+# Whether to require a user to be in the room to add an alias to it.
+# Defaults to 'true'.
+#
+#require_membership_for_aliases: false
+
+# Whether to allow per-room membership profiles through the send of membership
+# events with profile information that differ from the target's global profile.
+# Defaults to 'true'.
+#
+#allow_per_room_profiles: false
+
## TLS ##
@@ -260,6 +329,40 @@ listeners:
#
#tls_private_key_path: "CONFDIR/SERVERNAME.tls.key"
+# Whether to verify TLS server certificates for outbound federation requests.
+#
+# Defaults to `true`. To disable certificate verification, uncomment the
+# following line.
+#
+#federation_verify_certificates: false
+
+# Skip federation certificate verification on the following whitelist
+# of domains.
+#
+# This setting should only be used in very specific cases, such as
+# federation over Tor hidden services and similar. For private networks
+# of homeservers, you likely want to use a private CA instead.
+#
+# Only effective if federation_verify_certicates is `true`.
+#
+#federation_certificate_verification_whitelist:
+# - lon.example.com
+# - *.domain.com
+# - *.onion
+
+# List of custom certificate authorities for federation traffic.
+#
+# This setting should only normally be used within a private network of
+# homeservers.
+#
+# Note that this list will replace those that are provided by your
+# operating environment. Certificates must be in PEM format.
+#
+#federation_custom_ca_list:
+# - myCA1.pem
+# - myCA2.pem
+# - myCA3.pem
+
# ACME support: This will configure Synapse to request a valid TLS certificate
# for your configured `server_name` via Let's Encrypt.
#
@@ -375,21 +478,15 @@ log_config: "CONFDIR/SERVERNAME.log.config"
## Ratelimiting ##
-# Number of messages a client can send per second
-#
-#rc_messages_per_second: 0.2
-
-# Number of message a client can send before being throttled
-#
-#rc_message_burst_count: 10.0
-
-# Ratelimiting settings for registration and login.
+# Ratelimiting settings for client actions (registration, login, messaging).
#
# Each ratelimiting configuration is made of two parameters:
# - per_second: number of requests a client can send per second.
# - burst_count: number of requests a client can send before being throttled.
#
# Synapse currently uses the following configurations:
+# - one for messages that ratelimits sending based on the account the client
+# is using
# - one for registration that ratelimits registration requests based on the
# client's IP address.
# - one for login that ratelimits login requests based on the client's IP
@@ -402,6 +499,10 @@ log_config: "CONFDIR/SERVERNAME.log.config"
#
# The defaults are as shown below.
#
+#rc_message:
+# per_second: 0.2
+# burst_count: 10
+#
#rc_registration:
# per_second: 0.17
# burst_count: 3
@@ -417,29 +518,28 @@ log_config: "CONFDIR/SERVERNAME.log.config"
# per_second: 0.17
# burst_count: 3
-# The federation window size in milliseconds
-#
-#federation_rc_window_size: 1000
-# The number of federation requests from a single server in a window
-# before the server will delay processing the request.
+# Ratelimiting settings for incoming federation
#
-#federation_rc_sleep_limit: 10
-
-# The duration in milliseconds to delay processing events from
-# remote servers by if they go over the sleep limit.
+# The rc_federation configuration is made up of the following settings:
+# - window_size: window size in milliseconds
+# - sleep_limit: number of federation requests from a single server in
+# a window before the server will delay processing the request.
+# - sleep_delay: duration in milliseconds to delay processing events
+# from remote servers by if they go over the sleep limit.
+# - reject_limit: maximum number of concurrent federation requests
+# allowed from a single server
+# - concurrent: number of federation requests to concurrently process
+# from a single server
#
-#federation_rc_sleep_delay: 500
-
-# The maximum number of concurrent federation requests allowed
-# from a single server
-#
-#federation_rc_reject_limit: 50
-
-# The number of federation requests to concurrently process from a
-# single server
+# The defaults are as shown below.
#
-#federation_rc_concurrent: 3
+#rc_federation:
+# window_size: 1000
+# sleep_limit: 10
+# sleep_delay: 500
+# reject_limit: 50
+# concurrent: 3
# Target outgoing federation transaction frequency for sending read-receipts,
# per-room.
@@ -509,11 +609,12 @@ uploads_path: "DATADIR/uploads"
# height: 600
# method: scale
-# Is the preview URL API enabled? If enabled, you *must* specify
-# an explicit url_preview_ip_range_blacklist of IPs that the spider is
-# denied from accessing.
+# Is the preview URL API enabled?
#
-#url_preview_enabled: false
+# 'false' by default: uncomment the following to enable it (and specify a
+# url_preview_ip_range_blacklist blacklist).
+#
+#url_preview_enabled: true
# List of IP address CIDR ranges that the URL preview spider is denied
# from accessing. There are no defaults: you must explicitly
@@ -523,6 +624,12 @@ uploads_path: "DATADIR/uploads"
# synapse to issue arbitrary GET requests to your internal services,
# causing serious security issues.
#
+# (0.0.0.0 and :: are always blacklisted, whether or not they are explicitly
+# listed here, since they correspond to unroutable addresses.)
+#
+# This must be specified if url_preview_enabled is set. It is recommended that
+# you uncomment the following list as a starting point.
+#
#url_preview_ip_range_blacklist:
# - '127.0.0.0/8'
# - '10.0.0.0/8'
@@ -533,7 +640,7 @@ uploads_path: "DATADIR/uploads"
# - '::1/128'
# - 'fe80::/64'
# - 'fc00::/7'
-#
+
# List of IP address CIDR ranges that the URL preview spider is allowed
# to access even if they are specified in url_preview_ip_range_blacklist.
# This is useful for specifying exceptions to wide-ranging blacklisted
@@ -646,11 +753,41 @@ uploads_path: "DATADIR/uploads"
#
#enable_registration: false
-# Optional account validity parameter. This allows for, e.g., accounts to
-# be denied any request after a given period.
+# Optional account validity configuration. This allows for accounts to be denied
+# any request after a given period.
+#
+# ``enabled`` defines whether the account validity feature is enabled. Defaults
+# to False.
+#
+# ``period`` allows setting the period after which an account is valid
+# after its registration. When renewing the account, its validity period
+# will be extended by this amount of time. This parameter is required when using
+# the account validity feature.
+#
+# ``renew_at`` is the amount of time before an account's expiry date at which
+# Synapse will send an email to the account's email address with a renewal link.
+# This needs the ``email`` and ``public_baseurl`` configuration sections to be
+# filled.
+#
+# ``renew_email_subject`` is the subject of the email sent out with the renewal
+# link. ``%(app)s`` can be used as a placeholder for the ``app_name`` parameter
+# from the ``email`` section.
+#
+# Once this feature is enabled, Synapse will look for registered users without an
+# expiration date at startup and will add one to every account it found using the
+# current settings at that time.
+# This means that, if a validity period is set, and Synapse is restarted (it will
+# then derive an expiration date from the current validity period), and some time
+# after that the validity period changes and Synapse is restarted, the users'
+# expiration dates won't be updated unless their account is manually renewed. This
+# date will be randomly selected within a range [now + period - d ; now + period],
+# where d is equal to 10% of the validity period.
#
#account_validity:
+# enabled: True
# period: 6w
+# renew_at: 1w
+# renew_email_subject: "Renew your %(app)s account"
# The user must provide all of the below types of 3PID when registering.
#
@@ -815,12 +952,43 @@ signing_key_path: "CONFDIR/SERVERNAME.signing.key"
# The trusted servers to download signing keys from.
#
-#perspectives:
-# servers:
-# "matrix.org":
-# verify_keys:
-# "ed25519:auto":
-# key: "Noi6WqcDj0QmPxCNQqgezwTlBKrfqehY1u2FyWP9uYw"
+# When we need to fetch a signing key, each server is tried in parallel.
+#
+# Normally, the connection to the key server is validated via TLS certificates.
+# Additional security can be provided by configuring a `verify key`, which
+# will make synapse check that the response is signed by that key.
+#
+# This setting supercedes an older setting named `perspectives`. The old format
+# is still supported for backwards-compatibility, but it is deprecated.
+#
+# Options for each entry in the list include:
+#
+# server_name: the name of the server. required.
+#
+# verify_keys: an optional map from key id to base64-encoded public key.
+# If specified, we will check that the response is signed by at least
+# one of the given keys.
+#
+# accept_keys_insecurely: a boolean. Normally, if `verify_keys` is unset,
+# and federation_verify_certificates is not `true`, synapse will refuse
+# to start, because this would allow anyone who can spoof DNS responses
+# to masquerade as the trusted key server. If you know what you are doing
+# and are sure that your network environment provides a secure connection
+# to the key server, you can set this to `true` to override this
+# behaviour.
+#
+# An example configuration might look like:
+#
+#trusted_key_servers:
+# - server_name: "my_trusted_server.example.com"
+# verify_keys:
+# "ed25519:auto": "abcdefghijklmnopqrstuvwxyzabcdefghijklmopqr"
+# - server_name: "my_other_trusted_server.example.com"
+#
+# The default configuration is:
+#
+#trusted_key_servers:
+# - server_name: "matrix.org"
# Enable SAML2 for registration and login. Uses pysaml2.
@@ -897,10 +1065,8 @@ password_config:
-# Enable sending emails for notification events
-# Defining a custom URL for Riot is only needed if email notifications
-# should contain links to a self-hosted installation of Riot; when set
-# the "app_name" setting is ignored.
+# Enable sending emails for password resets, notification events or
+# account expiry notices
#
# If your SMTP server requires authentication, the optional smtp_user &
# smtp_pass variables should be used
@@ -908,19 +1074,64 @@ password_config:
#email:
# enable_notifs: false
# smtp_host: "localhost"
-# smtp_port: 25
+# smtp_port: 25 # SSL: 465, STARTTLS: 587
# smtp_user: "exampleusername"
# smtp_pass: "examplepassword"
# require_transport_security: False
# notif_from: "Your Friendly %(app)s Home Server <noreply@example.com>"
# app_name: Matrix
-# # if template_dir is unset, uses the example templates that are part of
-# # the Synapse distribution.
+#
+# # Enable email notifications by default
+# notif_for_new_users: True
+#
+# # Defining a custom URL for Riot is only needed if email notifications
+# # should contain links to a self-hosted installation of Riot; when set
+# # the "app_name" setting is ignored
+# riot_base_url: "http://localhost/riot"
+#
+# # Enable sending password reset emails via the configured, trusted
+# # identity servers
+# #
+# # IMPORTANT! This will give a malicious or overtaken identity server
+# # the ability to reset passwords for your users! Make absolutely sure
+# # that you want to do this! It is strongly recommended that password
+# # reset emails be sent by the homeserver instead
+# #
+# # If this option is set to false and SMTP options have not been
+# # configured, resetting user passwords via email will be disabled
+# #trust_identity_server_for_password_resets: false
+#
+# # Configure the time that a validation email or text message code
+# # will expire after sending
+# #
+# # This is currently used for password resets
+# #validation_token_lifetime: 1h
+#
+# # Template directory. All template files should be stored within this
+# # directory
+# #
# #template_dir: res/templates
+#
+# # Templates for email notifications
+# #
# notif_template_html: notif_mail.html
# notif_template_text: notif_mail.txt
-# notif_for_new_users: True
-# riot_base_url: "http://localhost/riot"
+#
+# # Templates for account expiry notices
+# #
+# expiry_template_html: notice_expiry.html
+# expiry_template_text: notice_expiry.txt
+#
+# # Templates for password reset emails sent by the homeserver
+# #
+# #password_reset_template_html: password_reset.html
+# #password_reset_template_text: password_reset.txt
+#
+# # Templates for password reset success and failure pages that a user
+# # will see after attempting to reset their password
+# #
+# #password_reset_template_success_html: password_reset_success.html
+# #password_reset_template_failure_html: password_reset_failure.html
#password_providers:
@@ -981,9 +1192,9 @@ password_config:
#
# 'search_all_users' defines whether to search all users visible to your HS
# when searching the user directory, rather than limiting to users visible
-# in public rooms. Defaults to false. If you set it True, you'll have to run
-# UPDATE user_directory_stream_pos SET stream_id = NULL;
-# on your database to tell it to rebuild the user_directory search indexes.
+# in public rooms. Defaults to false. If you set it True, you'll have to
+# rebuild the user_directory search indexes, see
+# https://github.com/matrix-org/synapse/blob/master/docs/user_directory.md
#
#user_directory:
# enabled: true
@@ -1041,6 +1252,22 @@ password_config:
#
+
+# Local statistics collection. Used in populating the room directory.
+#
+# 'bucket_size' controls how large each statistics timeslice is. It can
+# be defined in a human readable short form -- e.g. "1d", "1y".
+#
+# 'retention' controls how long historical statistics will be kept for.
+# It can be defined in a human readable short form -- e.g. "1d", "1y".
+#
+#
+#stats:
+# enabled: true
+# bucket_size: 1d
+# retention: 1y
+
+
# Server Notices room configuration
#
# Uncomment this section to enable a room which can be used to send notices
@@ -1124,3 +1351,16 @@ password_config:
# alias: "*"
# room_id: "*"
# action: allow
+
+
+# Server admins can define a Python module that implements extra rules for
+# allowing or denying incoming events. In order to work, this module needs to
+# override the methods defined in synapse/events/third_party_rules.py.
+#
+# This feature is designed to be used in closed federations only, where each
+# participating server enforces the same rules.
+#
+#third_party_event_rules:
+# module: "my_custom_project.SuperRulesSet"
+# config:
+# example_option: 'things'
|