For now my NAS it not really running anything (I want to have proper DNS/IDM before starting any other service and for storage I think I may go with owncloud ocis or nextcloud)

I am still using my ISP’s router, so the firewall rule is on the NAS (for now it is almost a do it all server), otherwise I would run the pihole on the router I think

Do you have any idea on how to do it ? Knowing that I am on opensuse

Thank you for the reply. It is exactly this

So, for nextcloud and automatic torrenting it should not be too bad to protect windows users ?

I don’t selfhost mail but I heard of stalwart