Are the following entries still necessary:

nxt.uiServerHost=0.0.0.0
nxt.uiServerCORS=true
nxt.uiSSL=true

Below is what I use for a public node for Ardor. Some of the lines are commented out, you can enable them if you wish.

# Can also specify networks in CIDR notation, e.g. 192.168.1.0/24.
#nxt.allowedBotHosts=127.0.0.1; localhost; [0:0:0:0:0:0:0:1];
nxt.allowedBotHosts=*; localhost; [0:0:0:0:0:0:0:1];


# Host interface on which to listen for http/json API request, default localhost only.
# Set to 0.0.0.0 to allow the API server to accept requests from all network interfaces.
#nxt.apiServerHost=127.0.0.1
nxt.apiServerHost=0.0.0.0


# Hosts from which to allow NRS user interface requests, if enabled. Set to * to allow all.
#nxt.allowedUserHosts=127.0.0.1; localhost; [0:0:0:0:0:0:0:1];
nxt.allowedUserHosts=*; localhost; [0:0:0:0:0:0:0:1];


# Host interface for NRS user interface server, default localhost only.
# Set to 0.0.0.0 to allow the UI to be accessed on all network interfaces.
#nxt.uiServerHost=127.0.0.1
nxt.uiServerHost=0.0.0.0


nxt.isTestnet=true


nxt.apiServerCORS=true
nxt.uiServerCORS=true

#nxt.apiServerPort=27876


#nxt.apiServerSSLPort=27876

nxt.adminPassword=SET_YOUR_OWN

# The default account is used, to automatically login to the wallet during startup
nxt.defaultDesktopAccount=ASDFASDF

#nxt.uiSSL=true
#nxt.apiSSL=true