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 "sma"

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Port: 2721/TCP
2721/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • smart-diagnose
    Smart Diagnose
    IANA
  •  
    KnowShowGo P2P (Official)
    WIKI
Port: 3087/UDP
3087/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • asoki-sma
    Asoki SMA
    IANA
Port: 3087/TCP
3087/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • asoki-sma
    Asoki SMA
    IANA
Port: 3158/UDP
3158/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • stvp
    SmashTV Protocol
    IANA
  • threat
    [threat] Novarg(Mydoom)
    Bekkoame
  • threat
    [threat] W32.HLLW.Deadhat
    Bekkoame
Port: 3158/TCP
3158/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • stvp
    SmashTV Protocol
    IANA
  • threat
    [threat] Novarg(Mydoom)
    Bekkoame
  • threat
    [threat] W32.HLLW.Deadhat
    Bekkoame
Port: 3218/UDP
3218/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • smartpackets
    EMC SmartPackets
    IANA
Port: 3218/TCP
3218/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • smartpackets
    EMC SmartPackets
    IANA
Port: 3516/UDP
3516/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • smartcard-port
    Smartcard Port
    IANA
  •  
    Smartcard Port (Official)
    WIKI
Port: 3516/TCP
3516/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • smartcard-port
    Smartcard Port
    IANA
  •  
    Smartcard Port (Unofficial)
    WIKI
Port: 3682/TCP
3682/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • cas-mapi
    EMC SmartPackets-MAPI
    IANA
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About TCP/UDP ports

TCP port 2721 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 2721 in the same order in which they were sent. Guaranteed communication over TCP port 2721 is the main difference between TCP and UDP. UDP port 2721 would not have guaranteed communication as TCP.
UDP on port 2721 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 2721 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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