# How to allow customs hosts in development mode

**URL:** <https://meta.discourse.org/t/how-to-allow-customs-hosts-in-development-mode/129958>\
**Category:** Development\
**Created:** [October 1, 2019, 2:45pm UTC](https://meta.discourse.org/t/how-to-allow-customs-hosts-in-development-mode/129958 "2019-10-01T14:45:56Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![Stanzilla](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/stanzilla/32/166422_2.png) [@Stanzilla](https://meta.discourse.org/u/Stanzilla)\
**Post date:** [January 14, 2020, 3:39pm UTC](https://meta.discourse.org/t/how-to-allow-customs-hosts-in-development-mode/129958/3 "2020-01-14T15:39:04Z")

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I tried `DISCOURSE_DEV_HOSTS=xxx.ngrok.io d/unicorn` and it did not work, sadly

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