40+ simultanious connections GET requests

Nextcloud version (eg, 20.0.5): 20.0.5
Operating system and version (eg, Ubuntu 20.04): CloudLinux 7 (cPanel version 92)
Apache or nginx version (eg, Apache 2.4.25): LiteSpeed Enterprise 5.4.11
PHP version (eg, 7.4): 7.3

The issue you are facing:
The DDOS protection of my LiteSpeed server is reached because there are 40+ requests from the same IP address. I can’t seem to find the origin of these requests. Other Nextcloud instances on the shared server don’t have this issue.
[01/Apr/2021:14:47:58 +0200] “GET /apps/files/img/change.svg HTTP/1.1” 200 320 “-” “Mozilla/5.0”

The output of your Apache/nginx/system log in /var/log/____:

 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/add-color.svg HTTP/1.1" 200 179 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/add-color.svg HTTP/1.1" 200 179 "-" "Mozilla/5.0"
- - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
- - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
- - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/add-color.svg HTTP/1.1" 200 179 "-" "Mozilla/5.0"
- - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/delete-color.svg HTTP/1.1" 200 194 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/add-color.svg HTTP/1.1" 200 179 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/add-color.svg HTTP/1.1" 200 179 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/add-color.svg HTTP/1.1" 200 179 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"
 - - [01/Apr/2021:14:47:58 +0200] "GET /apps/files/img/change.svg HTTP/1.1" 200 320 "-" "Mozilla/5.0"