Port 515 is primarily used for printing over network protocol (LPD/LPR). It is commonly referred to as the Line Printer Daemon (LPD) Protocol Port. It allows computers connected to a network to share a printer by sending print jobs to a print server.
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 515 |
tcp |
printer |
spooler |
WELL KNOWN PORT |
Port 515 |
udp |
printer |
spooler |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |