TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "said"

Port: 20000/TCP
20000/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • dnp
    DNP
    IANA
  • threat
    [threat] Millenium
    Bekkoame
  • millenium
    [trojan] Millenium
    SANS
  • trojan
    [trojan] Millenium. Remote Access / Keylogger. Works on Windows 95, 98 and NT. Spy.exe is said to be infected with the malicious virus Win.CIH from Taiwan. Aliases: BackDoor-L.srv, BackDoor-L.vli, Backdoor.Millenium
    Simovits
  • trojan
    [trojan] PSYcho Files. Remote Access / Mail trojan. Works on Windows. Aliases: Psyf, Backdoor.Psyf
    Simovits
  • trojan
    [trojan] XHX. Remote Access. Works on Windows. Aliases: Backdoor.XHX, Black Star
    Simovits
Port: 20001/TCP
20001/TCP - Known port assignments (9 records found)
  • Service
    Details
    Source
  • microsan
    MicroSAN
    IANA
  • threat
    [threat] Millenium
    Bekkoame
  • threat
    [threat] Millenium (Lm)
    Bekkoame
  • insect
    [trojan] Insect
    SANS
  • millenium(lm)
    [trojan] Millenium (Lm)
    SANS
  • millenium
    [trojan] Millenium
    SANS
  • trojan
    [trojan] Insect. Remote Access / Steals passwords. Works on Windows 95, 98 and ME. Aliases: Backdoor.Insect
    Simovits
  • trojan
    [trojan] Millenium. Remote Access / Keylogger. Works on Windows 95, 98 and NT. Spy.exe is said to be infected with the malicious virus Win.CIH from Taiwan. Aliases: BackDoor-L.srv, BackDoor-L.vli, Backdoor.Millenium
    Simovits
  • trojan
    [trojan] PSYcho Files. Remote Access / Mail trojan. Works on Windows. Aliases: Psyf, Backdoor.Psyf
    Simovits

About TCP/UDP ports

TCP port 20000 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 20000 in the same order in which they were sent. Guaranteed communication over TCP port 20000 is the main difference between TCP and UDP. UDP port 20000 would not have guaranteed communication as TCP.
UDP on port 20000 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 20000 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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