I tried your.local.IP.here:4443 rather than nextcloudpi.local:4443 as advised to me by @JimmyKater
I ran nmap -Pn -p- ip_address as advised to me by @Giuseppe
Starting Nmap 7.80 ( https://nmap.org ) at 2020-03-19 16:42 ora solare Europa occidentale
Nmap scan report for ip_address
Host is up (0.0029s latency).
Not shown: 65523 closed ports
PORT STATE SERVICE
22/tcp open ssh
81/tcp open hosts2-ns
90/tcp open dnsix
111/tcp open rpcbind
139/tcp open netbios-ssn
443/tcp open https
445/tcp open microsoft-ds
4443/tcp open pharos
5355/tcp open llmnr
5357/tcp open wsdapi
8000/tcp open http-alt
9000/tcp open cslistener
MAC Address: mac_address (Asiarock Technology Limited)
Nmap done: 1 IP address (1 host up) scanned in 21.74 seconds
