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 "ports"

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Port: 400/TCP
400/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • osb-sd
    Oracle Secure Backup
    IANA
  • trojan
    [trojan] Argentino. Remote Access. Works on Windows 400 and any TCP ports between 1000 and 1050 . Aliases: Troyanos-Argentino, Backdoor.Argentino
    Simovits
Port: 1968/TCP
1968/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • lipsinc
    LIPSinc
    IANA
  • threat
    [threat] Network Flight Recorder (NFR) systems use TCP to communicate. A security administrator must open ports to allow for communication between the NFR components.
    Bekkoame
Port: 2001/TCP
2001/TCP - Known port assignments (16 records found)
  • Service
    Details
    Source
  • dc
    -
    IANA
  • threat
    [threat] Der Spaher / Der Spaeher
    Bekkoame
  • threat
    [threat] OICQSer
    Bekkoame
  • threat
    [threat] Panda Antivirus for Novell Netware servers listens on this ports and allows anyone to connect to port 2001 and execute any Novell command.
    Bekkoame
  • threat
    [threat] The popular glimpse search engine runs on this port.
    Bekkoame
  • threat
    [threat] Trojan Cow
    Bekkoame
  • derspäher
    [trojan] Der Späher / Der Spaeher
    SANS
  • derspherderspaeher
    [trojan] Der Späher / Der Spaeher
    SANS
  • trojancow
    [trojan] Trojan Cow
    SANS
  • trojan
    [trojan] Der Spaeher. Remote Access / Keylogger / Virus dropper / ICQ trojan. Works on Windows 95, 98 and ME. Exists both in English and German versions. Aliases: DS3
    Simovits
  • trojan
    [trojan] Duddie. Remote Access / Keylogger / Destructive trojan. Works on Windows. Aliases: Backdoor.Duddie
    Simovits
  • trojan
    [trojan] Glacier. Remote Access / Keylogger / Steals passwords. Works on Windows 95, 98, ME, NT and 2000. Aliases: Backdoor.G_Door.b, c, d, e, The Glacier, Backdoor, Gluoshi, Backdoor.Darksun, Darksun, Binghe, Backdoor.Binghe, Glace, Trojan.Binghe, Trojan.Darksun, Backdoor.FR
    Simovits
  • trojan
    [trojan] Protoss. Remote Access / Steals passwords. Works on Windows. Aliases: Backdoor.Zerg, Backdoor.Protoss, Zerg
    Simovits
  • trojan
    [trojan] Senna Spy Trojan Generator. Anti-protection trojan / Remote Access / Hacking tool / Trojan constructor / Downloading trojan. Works on Windows 95, 98, ME, NT and 2000. Telnet is used as client. Aliases: Sstrojg, SSTG, Backdoor.Senna, Trojan Generator
    Simovits
  • trojan
    [trojan] Singularity. Remote Access. Works on Windows 98 and 2000. Aliases: Singu, Backdoor.Singu
    Simovits
  • trojan
    [trojan] Trojan Cow. Remote Access. Works on Windows 95 and 98. Aliases: Striker
    Simovits
Port: 3520/TCP
3520/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • galileolog
    Netvion Galileo Log Port
    IANA
  • threat
    [threat] Outgoing TCP attempts to these ports could be trying to contact netrek metaservers. See also port 3521.
    Bekkoame
Port: 3521/TCP
3521/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • mc3ss
    Telequip Labs MC3SS
    IANA
  • threat
    [threat] An old network-based multiplayer game based upon StarTrek. Also uses ports 3520 for metaservers and port 2592 for gaming traffic.
    Bekkoame
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 400 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 400 in the same order in which they were sent. Guaranteed communication over TCP port 400 is the main difference between TCP and UDP. UDP port 400 would not have guaranteed communication as TCP.
UDP on port 400 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 400 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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