# 'Access-Control-Allow-Origin' ヘッダーが存在しません (DISCOURSE\_ENABLE\_CORS: true を設定しているにもかかわらず)

**URL:** <https://meta.discourse.org/t/no-access-control-allow-origin-header-is-present-despite-setting-discourse-enable-cors-true/207398>\
**Category:** Support\
**Created:** [2021 年 10 月 28 日午後 1:44 UTC](https://meta.discourse.org/t/no-access-control-allow-origin-header-is-present-despite-setting-discourse-enable-cors-true/207398 "2021-10-28T13:44:00Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![IAmGav](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/iamgav/32/235598_2.png) [@IAmGav](https://meta.discourse.org/u/IAmGav)\
**Post date:** [2021 年 10 月 28 日午後 1:49 UTC](https://meta.discourse.org/t/no-access-control-allow-origin-header-is-present-despite-setting-discourse-enable-cors-true/207398/2 "2021-10-28T13:49:16Z")

</div>

`cors origins` 設定は `admin > settings > security` で制御されます。

app.yml には `DISCOURSE_ENABLE_CORS:` だけが必要です。

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_[View the full topic](https://meta.discourse.org/t/no-access-control-allow-origin-header-is-present-despite-setting-discourse-enable-cors-true/207398)._