No login image and logo on NC accessed using web

[ahendre2010]

Steps to reproduce

1.change theme color, add login image and logo using local network
2.now try login using DNS images aren't there
3.try restoring image and logo and color.

Expected behaviour

It should be visible using dns

Actual behaviour

Only color change reflected still no image and logo

Server configuration

Operating system:
Raspbian 21-6-2017
Web server:
Apache2
Database:
MySQL
PHP version:
Ph 5 latest version
Nextcloud version: (see Nextcloud admin page)
12.0.0 stable
Updated from an older Nextcloud/ownCloud or fresh install:
From 11.0.0
Where did you install Nextcloud from:
From installation script (php)
Signing status:

Signing status

Login as admin user into your Nextcloud and access 
http://example.com/index.php/settings/integrity/failed 
paste the results here.

List of activated apps:

App list

If you have access to your command line run e.g.:
sudo -u www-data php occ app:list
from within your Nextcloud installation folder

Nextcloud configuration:

Config report

If you have access to your command line run e.g.:
sudo -u www-data php occ config:list system
from within your Nextcloud installation folder

or 

Insert your config.php content here. 
Make sure to remove all sensitive content such as passwords. (e.g. database password, passwordsalt, secret, smtp password, …)

Are you using external storage, if yes which one: local/smb/sftp/...

Are you using encryption: yes/no
No
Are you using an external user-backend, if yes which one: LDAP/ActiveDirectory/Webdav/...

LDAP configuration (delete this part if not used)

LDAP config

With access to your command line run e.g.:
sudo -u www-data php occ ldap:show-config
from within your Nextcloud installation folder

Without access to your command line download the data/owncloud.db to your local
computer or access your SQL server remotely and run the select query:
SELECT * FROM `oc_appconfig` WHERE `appid` = 'user_ldap';


Eventually replace sensitive data as the name/IP-address of your LDAP server or groups.

Client configuration

Browser:
Chrome
Operating system:
Android 6.0

Logs

Web server error log

Web server error log

Insert your webserver log here

Nextcloud log (data/nextcloud.log)

Nextcloud log

Insert your Nextcloud log here

Browser log

Browser log

Insert your browser log here, this could for example include:

a) The javascript console log
b) The network log
c) ...

[antxDotDe]

Logo works for me, but the background image stays the default one.
I tried a png and jpg of 1920x1050 / 800x438.

Raspberry PI 2 Model B with nextcloudPi on it.

[juliusknorr]

Duplicate of #5085