View file phpBB3/config/default/routing/ucp.yml

phpbb_ucp_delete_cookies_controller:
    path: /delete_cookies
    defaults: { _controller: phpbb.ucp.controller.delete_cookies:handle }

phpbb_ucp_reset_password_controller:
    path: /reset_password
    defaults: { _controller: phpbb.ucp.controller.reset_password:reset }

phpbb_ucp_forgot_password_controller:
    path: /forgot_password
    defaults: { _controller: phpbb.ucp.controller.reset_password:request }