Connecting to nextcloud from outside the network with DNS cloudflare

ℹ️ Support
1

Hello! I’m trying to connect to nextcloud from outside the network and I can’t. I set up port forwarding and created a cloud.xxx.xx subdomain in cloudflare. From the local network I can enter cloud.xxx.xx, but when I try to enter from the phone from cellular data it just loads and nothing appears.

I used this documentation to configure:
How to access from outside your network - NextcloudPi Documentation - Nextcloud community

Screenshot with nextcloud from the local network (connection with dns):

Screenshot_1
Screenshot_11365×767 85.4 KB

Screenshot with nextcloud from outside the network (connection with dns):

image
image1365×767 55.7 KB

And then it says that it could not load, then it loads again and so on

Screenshot_2
Screenshot_2991×158 9.4 KB

Do you have any idea what to do?

2

Hello @alexciuc,

welcome to the community of Nextcloud.

Sadly enough your post is missing almost all specific technical information. Thanks for your post, but please take a little time to get acquainted with the forum and make a stronger effort to troubleshoot. It is the least you can do when asking others to help you:

  • Search your question as keywords on this forum. If you find something useful, link it directly into this post.
  • Search the internet using your issue as generic keywords. Specificity is king, e.g.:
    • php modules missing Ubuntu Snap update
  • If you have an error message, repeat this process to search for your error on the forum and internet.
  • If you do not find an answer, you are likely using the wrong keywords. Try simplifying your search on the forum and internet even more. E.g.
    • nextcloud php modules missing
  • Once you’ve done this you should be able to edit and update your post with specific technical information we can use to help you.
  • Check Nextcloud admin documentation

Please edit and update your post to include:

  • Direct Links to any useful info pages, posts and other info you find.
  • Add screenshots to your post for context
  • If you have large log files to attach you can link to a pastebin
  • And last but not least: Fill out our support form and add into your post.

These are the exact same steps we volunteers will be following to help you! So, get to it!

Cheerio,
JimmyKater

3

Hello,

If you may notice, in tha tutorial you have given, there are two basic configuration methods

  1. Public IP
  2. CG-NAT

So first is to verify if your ISP is giving you Public IP or CG-NAT

DDNS or CloudF Flare may not work with CG-NAT based IP

So first check and verify that your router / modem is connecting to your ISP with Public IP in WAN.

Thanks.

4

Thank you for the answer.
I understand this, but it is strange that I can access nextcloud on the subdomain cloud.xxxxx.xx and from outside the network it just loads and nothing appears on cloud.xxxxx.xx.

5

There are many, many possible causes for this, and it’s not possible to diagnose without more information.

If you run from your server:

curl icanhazip.com
nslookup cloud.xxxxx.xx 1.1.1.1

Do both show the same IP address?

6

Hello! Thanks for the answer, but apparently they are not the same addresses. After using the nslookup command cloud.xxxxx.xx appears in the server and router ip address, and in “Non-authoritative answer:” the name cloud.xxxxx.xx and the nextcloud server ip address

7

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