# Integrity issue between Winlogbeat and Logstash (Fingerprint)

**URL:** <https://discuss.elastic.co/t/integrity-issue-between-winlogbeat-and-logstash-fingerprint/232654>\
**Category:** Beats\
**Tags:** winlogbeat\
**Created:** [May 14, 2020, 1:43pm UTC](https://discuss.elastic.co/t/integrity-issue-between-winlogbeat-and-logstash-fingerprint/232654 "2020-05-14T13:43:50Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![JeanN](https://avatars.discourse-cdn.com/v4/letter/j/b38774/32.png) [@JeanN](https://discuss.elastic.co/u/JeanN)\
**Post date:** [May 14, 2020, 1:43pm UTC](https://discuss.elastic.co/t/integrity-issue-between-winlogbeat-and-logstash-fingerprint/232654/1 "2020-05-14T13:43:50Z")

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Hi,

I'm trying to test the integrity between winlogbeat and logstash with the fingerprint module.

But when i saw the log from Kibana those two fingerprint (hash) are different.

My logstash configuration:

```auto

filter {
    fingerprint {
        source => "message"
        method => "SHA256"
        target => "fingerprint-check"
    }
}

```

My winlogbeat.yml configuration:

```auto

processors:
    - fingerprint:
        fields: ["message"]
        method: sha256

```

When i make a hash of the field "Message" with the function sha256sum (debian), i have an another hash different from the two fingerprint got by logstash and winlogbeat.

Is the field ("Message" or other one) is modified between winlogbeat and logstash ? or is there a problem from my configuration ?

Thanks.

---

<div class="post-metadata">

**Author:** ![andrewkroh](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/andrewkroh/32/3784_2.png) [@andrewkroh](https://discuss.elastic.co/u/andrewkroh)\
**Post date:** [May 14, 2020, 6:57pm UTC](https://discuss.elastic.co/t/integrity-issue-between-winlogbeat-and-logstash-fingerprint/232654/2 "2020-05-14T18:57:07Z")

</div>

We've opened an issue for this. [https://github.com/elastic/beats/issues/18542](https://github.com/elastic/beats/issues/18542)

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<div class="post-metadata">

**Author:** ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)\
**Post date:** [June 11, 2020, 6:57pm UTC](https://discuss.elastic.co/t/integrity-issue-between-winlogbeat-and-logstash-fingerprint/232654/3 "2020-06-11T18:57:07Z")

</div>

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