For system administrators,
it was worse because the admin had to set up all printing configurations for each system.
Developed by Easy Software Products, CUPS pulled all the drivers together in one place. It
also allows users to set different printing options on a job-by-job basis, at least within the
context of general limits set by the administrator.
CUPS is a standards-based print system. It uses the Internet Printing Protocol (IPP) developed
by the Internet Engineering Task Force (IETF) Printing Working Group. It runs as a server
daemon that receives print data from Ghostscript and then communicates with the printer.
The CUPS daemon on your computer can also communicate with other printers on its
dedicated communications port 631. This makes it possible for your computer to ???see???
other printers without having to configure them.
You can configure a printer with CUPS with a built-in web-based administrative tool
(open a browser to localhost:631, or go to Utilities, Printing, Manage Printing in the new
KDE menu system), but the potential exists for a security breach because you are typing
the Root password into your browser.
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