Without additional info (e.g., where you saw this string — in a log, a config file, a phishing email, a Shodan search, etc.), the “feature” could also be:
Use ARP to see if the MAC address is present: 10-16-1oo-244 Icc Ftp Server
Could stand for:
ftp> passive Passive mode on.
High-speed downloads for essential PC software, drivers, and popular video games. Without additional info (e