# Useragent filter plugin reports false IE version

**URL:** <https://discuss.elastic.co/t/useragent-filter-plugin-reports-false-ie-version/149344>\
**Category:** Logstash\
**Created:** [September 20, 2018, 6:57pm UTC](https://discuss.elastic.co/t/useragent-filter-plugin-reports-false-ie-version/149344 "2018-09-20T18:57:46Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![larryhe](https://avatars.discourse-cdn.com/v4/letter/l/f07891/32.png) [@larryhe](https://discuss.elastic.co/u/larryhe)\
**Post date:** [September 20, 2018, 6:57pm UTC](https://discuss.elastic.co/t/useragent-filter-plugin-reports-false-ie-version/149344/1 "2018-09-20T18:57:46Z")

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On our Kibana browser report, a lot of IE11 reported as IE7 which is very confusing to our whole engineering team. for example, given below user agent string `Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)` , which is actually IE11, but it shows as IE7.0 on Kibana report.

We should use a similar algorithm to [ie-truth](https://github.com/Gavin-Paolucci-Kleinow/ie-truth/blob/master/ie-truth.js) to calculate real IE version.

Just logged a bug on [github](https://github.com/logstash-plugins/logstash-filter-useragent/issues/53)

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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:** [October 18, 2018, 6:57pm UTC](https://discuss.elastic.co/t/useragent-filter-plugin-reports-false-ie-version/149344/2 "2018-10-18T18:57:47Z")

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