diff --git a/changelog.d/12759.doc b/changelog.d/12759.doc new file mode 100644 index 000000000..45d1c9c0c --- /dev/null +++ b/changelog.d/12759.doc @@ -0,0 +1 @@ +Add information regarding the `rc_invites` ratelimiting option to the configuration docs. diff --git a/docs/usage/configuration/config_documentation.md b/docs/usage/configuration/config_documentation.md index 3e2031f08..3ad3085bf 100644 --- a/docs/usage/configuration/config_documentation.md +++ b/docs/usage/configuration/config_documentation.md @@ -1357,6 +1357,20 @@ This option sets ratelimiting how often invites can be sent in a room or to a specific user. `per_room` defaults to `per_second: 0.3`, `burst_count: 10` and `per_user` defaults to `per_second: 0.003`, `burst_count: 5`. +Client requests that invite user(s) when [creating a +room](https://spec.matrix.org/v1.2/client-server-api/#post_matrixclientv3createroom) +will count against the `rc_invites.per_room` limit, whereas +client requests to [invite a single user to a +room](https://spec.matrix.org/v1.2/client-server-api/#post_matrixclientv3roomsroomidinvite) +will count against both the `rc_invites.per_user` and `rc_invites.per_room` limits. + +Federation requests to invite a user will count against the `rc_invites.per_user` +limit only, as Synapse presumes ratelimiting by room will be done by the sending server. + +The `rc_invites.per_user` limit applies to the *receiver* of the invite, rather than the +sender, meaning that a `rc_invite.per_user.burst_count` of 5 mandates that a single user +cannot *receive* more than a burst of 5 invites at a time. + Example configuration: ```yaml rc_invites: