# 下载远程图片的限制有哪些

**URL:** <https://meta.discourse.org/t/what-are-the-limitations-of-download-remote-images/64356>\
**Category:** Support\
**Created:** [2017年六月12日 14:50 UTC](https://meta.discourse.org/t/what-are-the-limitations-of-download-remote-images/64356 "2017-06-12T14:50:16Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![vinothkannans](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/vinothkannans/32/86465_2.png) [@vinothkannans](https://meta.discourse.org/u/vinothkannans)\
**Post date:** [2017年六月12日 15:04 UTC](https://meta.discourse.org/t/what-are-the-limitations-of-download-remote-images/64356/2 "2017-06-12T15:04:53Z")

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If `Download remote images to local` SiteSetting enabled whenever a post created then all the external images will be downloaded locally (In all 3 above cases). But the downloading process will start only after `editing_grace_period` SiteSetting (default 10 minutes) from the creation of post. Also it will not be triggered for existing old posts when you enable the `Download remote images to local` SiteSetting. For that you have to recook all old posts.

Also downloading remote images will not work in below conditions

1. SiteSetting `download_remote_images_to_local` is disabled.
2. Enough disk space not available to download. (In this case you will receive notification about the problem). Also look at the `download remote images threshold` SiteSetting.
3. If the post date is before `download_remote_images_max_days_old` SiteSetting.
4. If the image is from one of the domains of `disabled image download domains` SiteSetting.

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