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 "microsoft"

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Port: 3389/TCP
3389/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • ms-wbt-server
    MS WBT Server
    IANA
  •  
    Microsoft Terminal Server (RDP) officially registered as Windows Based Terminal (WBT) - Link (Official)
    WIKI
  • ms-term-services
    MS Terminal Services
    SANS
Port: 3389/UDP
3389/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • ms-wbt-server
    MS WBT Server
    IANA
  •  
    Microsoft Terminal Server (RDP) officially registered as Windows Based Terminal (WBT) - Link (Official)
    WIKI
  • ms-term-services
    MS Terminal Services
    SANS
Port: 3527/UDP
3527/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • beserver-msg-q
    VERITAS Backup Exec Server
    IANA
  •  
    Microsoft Message Queuing (Unofficial)
    WIKI
  • ms-mmq
    Microsoft Message Que
    SANS
Port: 4001/TCP
4001/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • newoak
    NewOak
    IANA
  •  
    Microsoft Ants game (Unofficial)
    WIKI
  • threat
    [threat] OptixPro
    Bekkoame
Port: 4125/TCP
4125/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • opsview-envoy
    Opsview Envoy
    IANA
  •  
    Microsoft Remote Web Workplace administration (Official)
    WIKI
Port: 4502/TCP
4502/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  •  
    Microsoft Silverlight connectable ports under non-elevated trust (Official)
    WIKI
Port: 4503/TCP
4503/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Microsoft Silverlight connectable ports under non-elevated trust (Official)
    WIKI
  •  
    Unassigned
    IANA
Port: 4504/TCP
4504/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Microsoft Silverlight connectable ports under non-elevated trust (Official)
    WIKI
  •  
    Unassigned
    IANA
Port: 4505/TCP
4505/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Microsoft Silverlight connectable ports under non-elevated trust (Official)
    WIKI
  •  
    Unassigned
    IANA
Port: 4506/TCP
4506/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Microsoft Silverlight connectable ports under non-elevated trust (Official)
    WIKI
  •  
    Unassigned
    IANA
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About TCP/UDP ports

TCP port 3389 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 3389 in the same order in which they were sent. Guaranteed communication over TCP port 3389 is the main difference between TCP and UDP. UDP port 3389 would not have guaranteed communication as TCP.
UDP on port 3389 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 3389 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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