# Port: 383 ; What does it used for?

**URL:** <https://discuss.elastic.co/t/port-383-what-does-it-used-for/89254>\
**Category:** Elasticsearch\
**Created:** [June 13, 2017, 6:26pm UTC](https://discuss.elastic.co/t/port-383-what-does-it-used-for/89254 "2017-06-13T18:26:41Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![hungl99](https://avatars.discourse-cdn.com/v4/letter/h/ed8c4c/32.png) [@hungl99](https://discuss.elastic.co/u/hungl99)\
**Post date:** [June 13, 2017, 6:26pm UTC](https://discuss.elastic.co/t/port-383-what-does-it-used-for/89254/1 "2017-06-13T18:26:41Z")

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Does anyone know what port 383 is use for in elasticsearch?

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**Author:** ![lwintergerst](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/lwintergerst/32/18164_2.png) [@lwintergerst](https://discuss.elastic.co/u/lwintergerst)\
**Post date:** [June 13, 2017, 6:40pm UTC](https://discuss.elastic.co/t/port-383-what-does-it-used-for/89254/2 "2017-06-13T18:40:53Z")

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Hello,  
Elasticsearch does not use this port by default.

The only thing that I can think of is that it has something to do with LDAP.  
Are you using xpack security by chance?  
Do you have any other applications running on that server?

Luca

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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:** [July 11, 2017, 6:41pm UTC](https://discuss.elastic.co/t/port-383-what-does-it-used-for/89254/3 "2017-07-11T18:41:07Z")

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