Host was not connected to because it violates local access rules

i dont get it … why …
gonna look into it …

[no app in context] Warnung: Host IP-of-FW was not connected to because it violates local access rules

{“reqId”:“YO20bww67kRPBSDOpyBv”,“level”:2,“time”:“2022-12-12T18:02:37+01:00”,“remoteAddr”:“IP-of-CLIENT”,“user”:“USER@NEXTCLOUD_ v25.0.2”,“app”:“no app in context”,“method”:“GET”,“url”:“/core/preview?x=32&y=32&fileId=45155”,“message”:“Host *IP-of-IP-of-FW was not connected to because it violates local access rules”,“userAgent”:“Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:107.0) Gecko/20100101 Firefox/107.0”,“version”:“25.0.2.3”,“data”:,“id”:“6397732e6wf22b”}

[no app in context] Warnung: Host FIREWALL CLIENT has to cross was not connected to because it violates local access rules

GET /core/preview?fileId=46052&c=7d7aeda68184401e97bd8251e24dbb27&x=250&y=250&forceIcon=0&a=0
from **client-IP ** by nc-user at 2022-12-13T13:11:59+01:00