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Print Server Network PostScript
Port 170, officially assigned to Print-srv and Network PostScript services, is used primarily by network-enabled printers and print servers that communicate using Adobe's PostScript language over IP networks. This allows client systems to submit print jobs efficiently to printers supporting PostScript via the network..
Port 170, designated for Print-srv and Network PostScript, facilitates the transmission of print jobs over TCP/IP networks. PostScript is a page description language developed by Adobe, widely used in desktop publishing and high-fidelity printing environments. This port allows client devices to communicate directly with PostScript-enabled printers or dedicated print servers.
Typically, applications and print servers use this port to send raw PostScript data streams from clients to the printer. This approach ensures high compatibility and print quality, as the printer interprets the PostScript commands natively. The protocol operating on this port optimizes the delivery of complex documents involving vector graphics, fonts, and device control instructions.
While not as commonly used as protocols such as IPP (Internet Printing Protocol on port 631) or LPD (Line Printer Daemon on port 515), port 170 remains relevant in specialized print environments that require direct PostScript communication. It caters to high-end printers and publishing workflows where precise page rendering is critical.