# Cipher filter: multiple source?

**URL:** <https://discuss.elastic.co/t/cipher-filter-multiple-source/78728>\
**Category:** Logstash\
**Created:** [March 15, 2017, 3:00pm UTC](https://discuss.elastic.co/t/cipher-filter-multiple-source/78728 "2017-03-15T15:00:21Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Vittorio](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/vittorio/32/18171_2.png) [@Vittorio](https://discuss.elastic.co/u/Vittorio)\
**Post date:** [March 15, 2017, 3:00pm UTC](https://discuss.elastic.co/t/cipher-filter-multiple-source/78728/1 "2017-03-15T15:00:21Z")

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Hi all,

Is it possible to specify multiple source using cipher filter?

I guess the answer is no , because the `source` field is a string....

But Is that possible anybody never had this problem?

thanks

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<div class="post-metadata">

**Author:** ![magnusbaeck](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/magnusbaeck/32/44943_2.png) [@magnusbaeck](https://discuss.elastic.co/u/magnusbaeck)\
**Post date:** [March 15, 2017, 7:45pm UTC](https://discuss.elastic.co/t/cipher-filter-multiple-source/78728/2 "2017-03-15T19:45:20Z")

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That's right, a single cipher filter can process data from exactly one field.

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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:** [April 12, 2017, 7:45pm UTC](https://discuss.elastic.co/t/cipher-filter-multiple-source/78728/3 "2017-04-12T19:45:28Z")

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