matrix/roles/synapse/defaults/main/homeserver.ratelimits.yml

---
# Ratelimit config, see
# https://element-hq.github.io/synapse/latest/usage/configuration/config_documentation.html#ratelimiting
synapse_config_rc_message_per_second: 0.2
synapse_config_rc_message_burst_count: 10

synapse_config_rc_registration_per_second: 0.1
synapse_config_rc_registration_burst_count: 5

synapse_config_rc_registration_token_validity_per_second: 0.1
synapse_config_rc_registration_token_validity_burst_count: 5

synapse_config_rc_login_address_per_second: 0.003
synapse_config_rc_login_address_burst_count: 5
synapse_config_rc_login_account_per_second: 0.003
synapse_config_rc_login_account_burst_count: 5
synapse_config_rc_login_failed_attempts_per_second: 0.17
synapse_config_rc_login_failed_attempts_burst_count: 3

synapse_config_rc_admin_redaction_per_second: 2
synapse_config_rc_admin_redaction_burst_count: 75

synapse_config_rc_joins_local_per_second: 0.1
synapse_config_rc_joins_local_burst_count: 10
synapse_config_rc_joins_remote_per_second: 0.01
synapse_config_rc_joins_remote_burst_count: 10
synapse_config_rc_joins_per_room_per_second: 1
synapse_config_rc_joins_per_room_burst_count: 10

synapse_config_rc_3pid_validation_per_second: 0.003
synapse_config_rc_3pid_validation_burst_count: 5

synapse_config_rc_invites_per_room_per_second: 0.3
synapse_config_rc_invites_per_room_burst_count: 10
synapse_config_rc_invites_per_user_per_second: 0.003
synapse_config_rc_invites_per_user_burst_count: 5
synapse_config_rc_invites_per_issuer_per_second: 0.3
synapse_config_rc_invites_per_issuer_burst_count: 10

synapse_config_rc_third_party_invite_per_second: 0.2
synapse_config_rc_third_party_invite_burst_count: 10

synapse_config_rc_media_create_per_second: 10
synapse_config_rc_media_create_burst_count: 50

synapse_config_rc_federation_window_size: 1000 # in ms
synapse_config_rc_federation_sleep_limit: 10
synapse_config_rc_federation_sleep_delay: 500 # in ms
synapse_config_rc_federation_reject_limit: 50
synapse_config_rc_federation_concurrent: 5
synapse_config_federation_rr_transactions_per_room_per_second: 50

synapse_ratelimit_config:
  rc_message:
    per_second: "{{ synapse_config_rc_message_per_second }}"
    burst_count: "{{ synapse_config_rc_message_burst_count }}"
  rc_registration:
    per_second: "{{ synapse_config_rc_registration_per_second }}"
    burst_count: "{{ synapse_config_rc_registration_burst_count }}"
  rc_registration_token_validity:
    per_second: "{{ synapse_config_rc_registration_token_validity_per_second }}"
    burst_count: "{{ synapse_config_rc_registration_token_validity_burst_count }}"
  rc_login:
    address:
      per_second: "{{ synapse_config_rc_login_address_per_second }}"
      burst_count: "{{ synapse_config_rc_login_address_burst_count }}"
    account:
      per_second: "{{ synapse_config_rc_login_account_per_second }}"
      burst_count: "{{ synapse_config_rc_login_account_burst_count}}"
    failed_attemps:
      per_second: "{{ synapse_config_rc_login_failed_attempts_per_second }}"
      burst_count: "{{ synapse_config_rc_login_failed_attempts_burst_count }}"
  rc_admin_redaction:
    per_second: "{{ synapse_config_rc_admin_redaction_per_second }}"
    burst_count: "{{ synapse_config_rc_admin_redaction_burst_count }}"
  rc_joins:
    local:
      per_second: "{{ synapse_config_rc_joins_local_per_second }}"
      burst_count: "{{ synapse_config_rc_joins_local_burst_count }}"
    remote:
      per_second: "{{ synapse_config_rc_joins_remote_per_second }}"
      burst_count: "{{ synapse_config_rc_joins_remote_burst_count}}"
  rc_joins_per_room:
    per_second: "{{ synapse_config_rc_joins_per_room_per_second }}"
    burst_count: "{{ synapse_config_rc_joins_per_room_burst_count }}"
  rc_3pid_validation:
    per_second: "{{ synapse_config_rc_3pid_validation_per_second }}"
    burst_count: "{{ synapse_config_rc_3pid_validation_burst_count }}"
  rc_invites:
    per_room:
      per_second: "{{ synapse_config_rc_invites_per_room_per_second }}"
      burst_count: "{{ synapse_config_rc_invites_per_room_burst_count }}"
    per_user:
      per_second: "{{ synapse_config_rc_invites_per_user_per_second }}"
      burst_count: "{{ synapse_config_rc_invites_per_user_burst_count }}"
    per_issuer:
      per_second: "{{ synapse_config_rc_invites_per_issuer_per_second }}"
      burst_count: "{{ synapse_config_rc_invites_per_issuer_burst_count }}"
  rc_third_party_invite:
    per_second: "{{ synapse_config_rc_third_party_invite_per_second }}"
    burst_count: "{{ synapse_config_rc_third_party_invite_burst_count }}"
  rc_media_create:
    per_second: "{{ synapse_config_rc_media_create_per_second }}"
    burst_count: "{{ synapse_config_rc_media_create_burst_count }}"
  rc_federation:
    window_size: "{{ synapse_config_rc_federation_window_size }}"
    sleep_limit: "{{ synapse_config_rc_federation_sleep_limit }}"
    sleep_delay: "{{ synapse_config_rc_federation_sleep_delay }}"
    reject_limit: "{{ synapse_config_rc_federation_reject_limit }}"
    concurrent: "{{ synapse_config_rc_federation_concurrent }}"
  federation_rr_transactions_per_room_per_second: >-
    {{ synapse_config_federation_rr_transactions_per_room_per_second }}