My NAS exposes itself over the internet without permission
> Unfortunately, disabling uPnP these days is too much of a hit to convenience, so I looked for other solutions.<p>Don't do this, there is no good reason to run UPNP if you care about security, turn it off and learn to manage a firewall.<p>If the author really cares, go one step further and replace the ISP owned router with something with more control.<p>Finally, if one cares about the software one's NAS runs, build or buy from someone like TrueNAS.