# Grok filter customize

**URL:** <https://discuss.elastic.co/t/grok-filter-customize/140048>\
**Category:** Logstash\
**Created:** [July 15, 2018, 6:28am UTC](https://discuss.elastic.co/t/grok-filter-customize/140048 "2018-07-15T06:28:23Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Mojtaba\_Motamed](https://avatars.discourse-cdn.com/v4/letter/m/f0a364/32.png) [@Mojtaba\_Motamed](https://discuss.elastic.co/u/Mojtaba_Motamed)\
**Post date:** [July 15, 2018, 6:28am UTC](https://discuss.elastic.co/t/grok-filter-customize/140048/1 "2018-07-15T06:28:23Z")

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how can customize user agent all field in this row

212.16.95.74 - - [27/May/2018:03:07:23 +0430] "GET /VIDEO/IMAGE?id=aHR0cDovL2huMTQuYXNzZXQuYXBhcmF0LmNvbS9hcGFyYXQtdmlkZW8vMmRmOWRkMDIzNjJiMmVkNzk4OWI5MDE3MGNhYzRmMTAyNDY2ODkwLTM2MHBfXzMyMzAxLm1wNC8= HTTP/1.1" 200 8085 "[http://video.parsijoo.ir/video?q=دیرین+دیرین](http://video.parsijoo.ir/video?q=%D8%AF%DB%8C%D8%B1%DB%8C%D9%86+%D8%AF%DB%8C%D8%B1%DB%8C%D9%86)" "Mozilla/5.0 (Windows NT 6.1; rv:40.0) Gecko/20100101 Firefox/40.0" "city=-" "pj-ac=A33C14AC04C3FF553564AB7002A3C303" "-" "-" "video.parsijoo.ir" "noresult=-" "jsessionid=F5B7D39299D3608C537BDB1DB3363427"

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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:** [August 12, 2018, 6:28am UTC](https://discuss.elastic.co/t/grok-filter-customize/140048/2 "2018-08-12T06:28:28Z")

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