# Why \_source host = 'localhost' , that's not my machine's host name

**URL:** <https://discuss.elastic.co/t/why-source-host-localhost-thats-not-my-machines-host-name/123182>\
**Category:** Logstash\
**Created:** [March 9, 2018, 3:33am UTC](https://discuss.elastic.co/t/why-source-host-localhost-thats-not-my-machines-host-name/123182 "2018-03-09T03:33:55Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![liumianmian](https://avatars.discourse-cdn.com/v4/letter/l/58956e/32.png) [@liumianmian](https://discuss.elastic.co/u/liumianmian)\
**Post date:** [March 9, 2018, 3:33am UTC](https://discuss.elastic.co/t/why-source-host-localhost-thats-not-my-machines-host-name/123182/1 "2018-03-09T03:33:55Z")

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my logstash output result :  
{  
"path" =\> "/var/log/log\_2018-3-117\_submit.log",  
"@version" =\> "1",  
"status" =\> 0,  
**"host" =\> "localhost",**  
"@timestamp" =\> 2018-03-09T03:04:41.672Z,  
"type" =\> "submit\_log"  
}

how can i set my host and use my machine host.

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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 11, 2018, 7:55pm UTC](https://discuss.elastic.co/t/why-source-host-localhost-thats-not-my-machines-host-name/123182/2 "2018-03-11T19:55:05Z")

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What kind of input produced this event? What does your /etc/hosts look like?

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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:** [April 8, 2018, 7:55pm UTC](https://discuss.elastic.co/t/why-source-host-localhost-thats-not-my-machines-host-name/123182/3 "2018-04-08T19:55:07Z")

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Closed on April 8, 2018, 7:55pm UTC

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