To install bnetd, run the following command in macOS terminal (Applications->Utilities->Terminal)
sudo port install bnetd
To see what files were installed by bnetd, run:
port contents bnetd
To later upgrade bnetd, run:
sudo port selfupdate && sudo port upgrade bnetd
Reporting an issue on MacPorts Trac
The MacPorts Project uses a system called Trac to file tickets to report bugs and enhancement requests.
Though anyone may search Trac for tickets, you must have a GitHub account in order to login to Trac to create tickets.