# Beat protocol

**URL:** <https://discuss.elastic.co/t/beat-protocol/83295>\
**Category:** Beats\
**Created:** [April 22, 2017, 8:41pm UTC](https://discuss.elastic.co/t/beat-protocol/83295 "2017-04-22T20:41:55Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![Mister\_X](https://avatars.discourse-cdn.com/v4/letter/m/c0e974/32.png) [@Mister\_X](https://discuss.elastic.co/u/Mister_X)\
**Post date:** [April 22, 2017, 8:41pm UTC](https://discuss.elastic.co/t/beat-protocol/83295/1 "2017-04-22T20:41:56Z")

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I've been looking for the beat protocol definition. I'd like to implement it in another language than just golang (C++ and maybe C#) and I found at least one post in this forum that someone would like to have it in another language (C++ I think it was).

I searched on google, I searched the forum and the only thing I can find is that beat protocol is lumberjack version 2. I also tried asking in IRC, in #elasticsearch where I was told to ask in #beats but it doesn't seem anybody knows (nobody's talking at all).

Can someone point me to the documentation regarding the protocol?

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**Author:** ![steffens](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/steffens/32/79630_2.png) [@steffens](https://discuss.elastic.co/u/steffens)\
**Post date:** [April 24, 2017, 9:17am UTC](https://discuss.elastic.co/t/beat-protocol/83295/2 "2017-04-24T09:17:35Z")

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The golang implementation is available in [go-lumber](https://github.com/elastic/go-lumber). Feel free to follow/comment on [this ticket](https://github.com/elastic/go-lumber/issues/1). A Java (netty based) implementation is hidden in the [logstash-input-beats](https://github.com/logstash-plugins/logstash-input-beats) repository: [https://github.com/logstash-plugins/logstash-input-beats/tree/master/src/main/java/org/logstash/beats](https://github.com/logstash-plugins/logstash-input-beats/tree/master/src/main/java/org/logstash/beats) .

There is no publish protocol definition for v2. It's basically lumberjack with 'J' data-frame for JSON encoded events + some minor behaviour changes.

Some related post on NiFi implementation, giving some more details about ACK behaviour: [Testers wanted: \*beat integration with Apache NiFi](https://discuss.elastic.co/t/testers-wanted-beat-integration-with-apache-nifi/73671)

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**Author:** ![Mister\_X](https://avatars.discourse-cdn.com/v4/letter/m/c0e974/32.png) [@Mister\_X](https://discuss.elastic.co/u/Mister_X)\
**Post date:** [April 24, 2017, 7:00pm UTC](https://discuss.elastic.co/t/beat-protocol/83295/3 "2017-04-24T19:00:05Z")

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Thanks

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**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [May 13, 2017, 8:52pm UTC](https://discuss.elastic.co/t/beat-protocol/83295/4 "2017-05-13T20:52:47Z")

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