Publishes Bulletin events using the Site To Site protocol. Note: only up to 5 bulletins are stored per component and up to 10 bulletins at controller level for a duration of up to 5 minutes. If this reporting task is not scheduled frequently enough some bulletins may not be sent.


bulletin, site, site to site, restricted


In the list below, the names of required properties appear in bold. Any other properties (not in bold) are considered optional. The table also indicates any default values, whether a property supports the Expression Language guide, and whether a property is considered “sensitive”, meaning that its value will be encrypted. Before entering a value in a sensitive property, ensure that the file has an entry for the property nifi.sensitive.props.key.


Default Value

Allowable Values


Destination URL

The URL of the destination NiFi instance to send data to, should be in the format http(s)://host:port/dataintegration.

Supports Expression Language: true

Input Port Name

The name of the Input Port to delivery Provenance Events to.

Supports Expression Language: true

SSL Context Service

Controller Service API:




The SSL Context Service to use when communicating with the destination. If not specified, communications will not be secure.

Instance URL

http://${hostname(true)}:60017/dataintegration The URL of this instance to use in the Content URI of each event.

Supports Expression Language: true

Compress Events

  • *true
  • *false
Indicates whether or not to compress the events when being sent.

Communications Timeout

30 secs Specifies how long to wait to a response from the destination before deciding that an error has occurred and canceling the transaction

Transport Protocol

  • *RAW
  • *HTTP
Specifies which transport protocol to use for Site-to-Site communication.
HTTP Proxy hostname Specify the proxy server's hostname to use. If not specified, HTTP traffics are sent directly to the target NiFi instance.
HTTP Proxy port Specify the proxy server's port number, optional. If not specified, default port 80 will be used.
HTTP Proxy username Specify an user name to connect to the proxy server, optional.
HTTP Proxy password Specify an user password to connect to the proxy server, optional.

Sensitive Property: true


Specify an user password to connect to the proxy server, optional.

Sensitive Property: true

State management:



LOCAL Stores the Reporting Task's last bulletin ID so that on restart the task knows where it left off.


Provides operator the ability to send sensitive details contained in bulletin events to any external system.