# How to disable tcp6

**URL:** <https://discuss.elastic.co/t/how-to-disable-tcp6/1809>\
**Category:** Elasticsearch\
**Created:** [June 3, 2015, 8:35am UTC](https://discuss.elastic.co/t/how-to-disable-tcp6/1809 "2015-06-03T08:35:34Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Mister74](https://avatars.discourse-cdn.com/v4/letter/m/a8b319/32.png) [@Mister74](https://discuss.elastic.co/u/Mister74)\
**Post date:** [June 3, 2015, 8:35am UTC](https://discuss.elastic.co/t/how-to-disable-tcp6/1809/1 "2015-06-03T08:35:34Z")

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hello  
I need not explain the operation of TCP 6 and TCP4.  
for my part, can not enable TCP 4 for activation of ports 9200 and 9300  
how to do  
thank you

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**Author:** ![warkolm](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/warkolm/32/39224_2.png) [@warkolm](https://discuss.elastic.co/u/warkolm)\
**Post date:** [June 3, 2015, 12:11pm UTC](https://discuss.elastic.co/t/how-to-disable-tcp6/1809/2 "2015-06-03T12:11:58Z")

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You need to do this on the OS level, there is nothing in ES to do this.

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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 6, 2017, 12:09am UTC](https://discuss.elastic.co/t/how-to-disable-tcp6/1809/3 "2017-07-06T00:09:59Z")

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