CUPS / IPP (Port 631)
nmap
# run all cups-related nse scripts
nmap -sV -p631 --script=cups* <target>
# lists printers managed by the CUPS printing service
nmap -sV -p631 --script=cups-info <target>
# lists currently queed print jobs of the remote CUPS service grouped by printer
nmap -sV -p631 --script=cups-queue-info <target>
Resources: