# Hide a field with a filtered alias
**URL:** https://discuss.elastic.co/t/hide-a-field-with-a-filtered-alias/22449
**Category:** Elasticsearch
**Created:** [February 28, 2015, 9:30am UTC](https://discuss.elastic.co/t/hide-a-field-with-a-filtered-alias/22449 "2015-02-28T09:30:51Z")
**Posts on this page:** 2
**Page:** 1
### Author:  [@Johan\_Guldmyr](https://discuss.elastic.co/u/Johan_Guldmyr)
#### Post date: [February 28, 2015, 9:30am UTC](https://discuss.elastic.co/t/hide-a-field-with-a-filtered-alias/22449/1 "2015-02-28T09:30:51Z")
Hi!
I would like to run the logstash anonymizer on a field, write the hash into
a separate field and then with a filtered alias hide the original field.
Is this possible?
If not, is there another way that doesn't involve more indices and
duplicate docs?
// Johan
--
You received this message because you are subscribed to the Google Groups "elasticsearch" group.
To unsubscribe from this group and stop receiving emails from it, send an email to [elasticsearch+unsubscribe@googlegroups.com](mailto:elasticsearch+unsubscribe@googlegroups.com).
To view this discussion on the web visit [https://groups.google.com/d/msgid/elasticsearch/d2ab0642-18df-4946-986c-0a40f8658a80%40googlegroups.com](https://groups.google.com/d/msgid/elasticsearch/d2ab0642-18df-4946-986c-0a40f8658a80%40googlegroups.com).
For more options, visit [https://groups.google.com/d/optout](https://groups.google.com/d/optout).
---
### Author:  [@system](https://discuss.elastic.co/u/system)
#### Post date: [July 6, 2017, 12:29am UTC](https://discuss.elastic.co/t/hide-a-field-with-a-filtered-alias/22449/2 "2017-07-06T00:29:17Z")