# Unable to create certificate from synology

**URL:** <https://community.letsencrypt.org/t/unable-to-create-certificate-from-synology/110488>\
**Category:** Help\
**Created:** [January 13, 2020, 4:01pm UTC](https://community.letsencrypt.org/t/unable-to-create-certificate-from-synology/110488 "2020-01-13T16:01:49Z")\
**Posts on this page:** 1\
**Showing post:** 3

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**Author:** ![JuergenAuer](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/juergenauer/32/26491_2.png) [@JuergenAuer](https://community.letsencrypt.org/u/JuergenAuer)\
**Post date:** [January 13, 2020, 4:31pm UTC](https://community.letsencrypt.org/t/unable-to-create-certificate-from-synology/110488/3 "2020-01-13T16:31:16Z")

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Hi @letsencryptxtsnl

> [@letsencryptxtsnl](#):
>
> ports 80, 443, 887-888, 5000 5001 are all forwarded to my Synology NAS.

there are some checks of your domain - [https://check-your-website.server-daten.de/?q=cloud.xts.nl](https://check-your-website.server-daten.de/?q=cloud.xts.nl)

~~ 45 minutes old, only timeouts. But two checks this morning with a Grade N and a working port 80.

That configuration looks better, the current configuration can't work.

This morning, there is a Synology answer. Now (checked with my browser) there is

> Apache is functioning normally

So that's

> [@letsencryptxtsnl](#):
>
> ports 80, 443, 887-888, 5000 5001 are all forwarded to my Synology NAS.

wrong, your Synology doesn't see these requests.

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_[View the full topic](https://community.letsencrypt.org/t/unable-to-create-certificate-from-synology/110488)._