TCP/UDP Port Finder

Enter port number (e.g. 21), service (e.g. ssh, ftp) or threat (e.g. nimda)
Database updated - March 30, 2016

Search results for "line"

Port: 515/TCP
515/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • printer
    spooler
    IANA
  •  
    Line Printer Daemon - print service (Official)
    WIKI
  • printer
    Line Printer (LPR), Line Printer Daemon (LPD). Used for printing to a network printer, Printer Sharing in Mac OS X.
    Apple
  • trojan
    [trojan] MscanWorm.
    Simovits
  • trojan
    [trojan] Ramen. Worm / HTML trojan / HTTP server / Hacking tool / Destructive trojan. Works on Unix (Linux). Linux Red Hat 6.x and early versions of 7.0. May also work on other Unix dialects such as FreeBSD and Linux SuSE, Mandrake and Cladera. The mail addresses used are [email protected] and [email protected]. Aliases: Linux.Ramen, Worm.Ramen, Elf.Ramen
    Simovits
Port: 2567/TCP
2567/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • clp
    Cisco Line Protocol
    IANA
Port: 2567/UDP
2567/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • clp
    Cisco Line Protocol
    IANA
Port: 4135/TCP
4135/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • cl-db-attach
    Classic Line Database Server Attach
    IANA
Port: 4135/UDP
4135/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • cl-db-attach
    Classic Line Database Server Attach
    IANA
Port: 4136/UDP
4136/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • cl-db-request
    Classic Line Database Server Request
    IANA
Port: 4136/TCP
4136/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • cl-db-request
    Classic Line Database Server Request
    IANA
Port: 4137/UDP
4137/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • cl-db-remote
    Classic Line Database Server Remote
    IANA
Port: 4137/TCP
4137/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • cl-db-remote
    Classic Line Database Server Remote
    IANA

About TCP/UDP ports

TCP port 515 uses the Transmission Control Protocol. TCP is one of the main protocols in TCP/IP networks. TCP is a connection-oriented protocol, it requires handshaking to set up end-to-end communications. Only when a connection is set up user's data can be sent bi-directionally over the connection.
Attention! TCP guarantees delivery of data packets on port 515 in the same order in which they were sent. Guaranteed communication over TCP port 515 is the main difference between TCP and UDP. UDP port 515 would not have guaranteed communication as TCP.
UDP on port 515 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 515 thinks that error checking and correction is not necessary or performed in the application, avoiding the overhead of such processing at the network interface level.
UDP (User Datagram Protocol) is a minimal message-oriented Transport Layer protocol (protocol is documented in IETF RFC 768).
Application examples that often use UDP: voice over IP (VoIP), streaming media and real-time multiplayer games. Many web applications use UDP, e.g. the Domain Name System (DNS), the Routing Information Protocol (RIP), the Dynamic Host Configuration Protocol (DHCP), the Simple Network Management Protocol (SNMP).
TCP vs UDP - TCP: reliable, ordered, heavyweight, streaming; UDP - unreliable, not ordered, lightweight, datagrams.
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