TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "no"

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Port: 166/TCP
166/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • s-net
    Sirius Systems
    IANA
  • noknok
    [trojan] NokNok
    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
Port: 259/UDP
259/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • esro-gen
    Efficient Short Remote Operations
    IANA
  •  
    ESRO, Efficient Short Remote Operations (Official)
    WIKI
  • cp-config
    Check Point FW-1 Nokia P-1 VPN-1
    SANS
Port: 308/TCP
308/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • novastorbakcup
    Novastor Backup
    IANA
  •  
    Novastor Online Backup (Official)
    WIKI
Port: 308/UDP
308/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • novastorbakcup
    Novastor Backup
    IANA
Port: 382/TCP
382/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • hp-managed-node
    hp performance data managed node
    IANA
  • threat
    [threat] W32.Rotor
    Bekkoame
Port: 382/UDP
382/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • hp-managed-node
    hp performance data managed node
    IANA
  • threat
    [threat] W32.Rotor
    Bekkoame
Port: 396/TCP
396/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • netware-ip
    Novell Netware over IP
    IANA
Port: 396/UDP
396/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • netware-ip
    Novell Netware over IP
    IANA
Port: 399/TCP
399/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • iso-tsap-c2
    ISO Transport Class 2 Non-Control over TCP
    IANA
Port: 399/UDP
399/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • iso-tsap-c2
    ISO Transport Class 2 Non-Control over UDP
    IANA
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About TCP/UDP ports

TCP port 166 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 166 in the same order in which they were sent. Guaranteed communication over TCP port 166 is the main difference between TCP and UDP. UDP port 166 would not have guaranteed communication as TCP.
UDP on port 166 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 166 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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