# Cribl

{% hint style="info" %}
The Cribl output is currently a *technology preview*. The design and implementation are less mature than stable features and subject to change.
{% endhint %}

The Cribl output can be used to send records to the [Cribl LogStream HTTP/S (Bulk API)](https://docs.cribl.io/logstream/sources-https).

## EF\_OUTPUT\_CRIBL\_ENABLE

Specifies whether the Cribl output is enabled.

* Valid Values
  * `true`, `false`
* Default
  * `false`

## EF\_OUTPUT\_CRIBL\_ADDRESSES

This setting specifies the Cribl workers to which the output should connect. It is a comma-separated list of Cribl workers, including port number.

{% hint style="danger" %}
Do \*\*NOT\*\* include \`http\://\` or \`https\://\` in the provided value. TLS communications is enabled/disabled using \`EF\_OUTPUT\_CRIBL\_TLS\_ENABLE\`.
{% endhint %}

* Default
  * `127.0.0.1:10080`

## EF\_OUTPUT\_CRIBL\_TOKEN

The Cribl data shipping token that the collector will use to send data.

* Default
  * `''`

## EF\_OUTPUT\_CRIBL\_BATCH\_DEADLINE

The maximum time, in milliseconds, to wait for a batch of records to fill before being sent to Cribl.

* Default
  * `2000`

## EF\_OUTPUT\_CRIBL\_BATCH\_MAX\_BYTES

The maximum size, in bytes, for a batch of records being sent to Cribl.

* Default
  * `8388608`

## EF\_OUTPUT\_CRIBL\_TLS\_ENABLE

This setting is used to enable/disable TLS connections to Cribl Logstream.

* Valid Values
  * `true`, `false`
* Default
  * `false`

## EF\_OUTPUT\_CRIBL\_TLS\_SKIP\_VERIFICATION

This setting is used to enable/disable TLS verification of the Cribl Logstream server to which the output is attempting to connect.

* Valid Values
  * `true`, `false`
* Default
  * `false`

## EF\_OUTPUT\_CRIBL\_TLS\_CA\_CERT\_FILEPATH

The path to the Certificate Authority (CA) certificate to use for verification of the Cribl Logstream server to which the output is attempting to connect.

* Default
  * `''`

## EF\_OUTPUT\_CRIBL\_DROP\_FIELDS

This setting allows for a comma-separated list of fields that are to be removed from all records.

{% hint style="info" %}
Fields are dropped after any output specific fields have been added and after any schema conversion. This means that you should use the field names as you see them in the user interface.
{% endhint %}

* Valid Values
  * any field names related to the enabled schema, comma-separated
* Example
  * `flow.export.sysuptime,flow.export.version.ver,flow.start.sysuptime,flow.end.sysuptime,flow.seq_num`
* Default
  * `''`

## EF\_OUTPUT\_CRIBL\_ALLOWED\_RECORD\_TYPES

This setting allows for a comma-separated list of record types that the output will send will emit. If left empty, all types will be allowed by default.

* Valid Values
  * `as_path_hop`, `flow_option`, `flow`, `ifa_hop`, `telemetry`, `metric`, `log`
* Default
  * `'as_path_hop,flow_option,flow,ifa_hop,telemetry,metric,log'`


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