/etc/ufw/applications.d/cups is in cups-daemon 2.2.7-1ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | [CUPS]
title=Common UNIX Printing System server
description=CUPS is a printing system with support for IPP, samba, lpd, and other protocols.
ports=631
|