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 "dis"

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Port: 581/TCP
581/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • bdp
    Bundle Discovery Protocol
    IANA
Port: 581/UDP
581/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • bdp
    Bundle Discovery Protocol
    IANA
Port: 593/TCP
593/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • http-rpc-epmap
    HTTP RPC Ep Map
    IANA
  •  
    HTTP RPC Ep Map, Remote procedure call over Hypertext Transfer Protocol, often used by Distributed Component Object Model services and Microsoft Exchange Server (Official)
    WIKI
Port: 593/UDP
593/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • http-rpc-epmap
    HTTP RPC Ep Map
    IANA
  •  
    HTTP RPC Ep Map, Remote procedure call over Hypertext Transfer Protocol, often used by Distributed Component Object Model services and Microsoft Exchange Server (Official)
    WIKI
Port: 639/TCP
639/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • msdp
    MSDP
    IANA
  •  
    MSDP, Multicast Source Discovery Protocol (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 639/UDP
639/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • msdp
    MSDP
    IANA
  •  
    MSDP, Multicast Source Discovery Protocol (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 646/TCP
646/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • ldp
    LDP
    IANA
  •  
    LDP, Label Distribution Protocol, a routing protocol used in MPLS networks (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 646/UDP
646/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • ldp
    LDP
    IANA
  •  
    LDP, Label Distribution Protocol, a routing protocol used in MPLS networks (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 667/TCP
667/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • disclose
    campaign contribution disclosures - SDR Technologies
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • threat
    [threat] SniperNet
    Bekkoame
  • snipernet
    [trojan] SniperNet
    SANS
  • trojan
    [trojan] NokNok. Anti-protection trojan / Remote Access / Steals passwords / IRC trojan / Port scanner. Works on Windows 95, 98, ME and 2000. Does NOT work on Windows NT. Aliases: Backdoor.FA, Troj_BckNokNok
    Simovits
  • trojan
    [trojan] SniperNet. Remote Access. Works on Windows 95 and 98. Aliases: Backdoor.SniperNet
    Simovits
Port: 667/UDP
667/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • disclose
    campaign contribution disclosures - SDR Technologies
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
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About TCP/UDP ports

TCP port 581 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 581 in the same order in which they were sent. Guaranteed communication over TCP port 581 is the main difference between TCP and UDP. UDP port 581 would not have guaranteed communication as TCP.
UDP on port 581 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 581 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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