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 "multi"

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Port: 397/TCP
397/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • mptn
    Multi Protocol Trans. Net.
    IANA
Port: 397/UDP
397/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • mptn
    Multi Protocol Trans. Net.
    IANA
Port: 504/TCP
504/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • citadel
    citadel
    IANA
  •  
    Citadel - multiservice protocol for dedicated clients for the Citadel groupware system (Official)
    WIKI
  • citadel
    -
    SANS
Port: 504/UDP
504/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • citadel
    citadel
    IANA
  •  
    Citadel - multiservice protocol for dedicated clients for the Citadel groupware system (Official)
    WIKI
  • citadel
    -
    SANS
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: 777/TCP
777/TCP - Known port assignments (7 records found)
  • Service
    Details
    Source
  • jconfig
    Hummingbird Exceed jconfig
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • multiling-http
    Multiling HTTP
    IANA
  • trojan
    [trojan] Undetected. Remote Access / Keylogger / Steals passwords / EXE binder. Works on Windows 95, 98 and ME. Aliases: Backdoor.TDS.Muerte, Backdoor.TDS.4F, 4Fuk, Trojan.Win32.TrojanRunner.Levil, TDS, Backdoor.TDS.SE, Un-Detected, U4, Muerter, X-Mas
    Simovits
  • threat
    [threat] NetCrack
    Bekkoame
  • threat
    [threat] AimSpy
    Bekkoame
  • threat
    [threat] Undetected
    Bekkoame
Port: 777/UDP
777/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • multiling-http
    Multiling HTTP
    IANA
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 1035/TCP
1035/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • mxxrlogin
    MX-XR RPC
    IANA
  • threat
    [threat] Multidropper
    Bekkoame
  • trojan
    [trojan] Dosh. Remote Access. Works on Windows. Aliases: Backdoor.Dosh
    Simovits
  • trojan
    [trojan] KWM. Remote Access / Keylogger / Steals passwords / Downloading trojan. Works on Windows. Aliases: Backdoor.KWM
    Simovits
  • trojan
    [trojan] RemoteNC. Remote Access / Telnet server. Works on Windows NT, 2000 and XP. Can be used with a Telnet client. Aliases: Backdoor.RemoteNC
    Simovits
  • trojan
    [trojan] Truva Atl. Anti-protection trojan / Remote Access. Works on Windows 95 and 98. Aliases: Komut, Backdoor.Komut, Warhome, BKDR_Warhome
    Simovits
Port: 1117/TCP
1117/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • ardus-mtrns
    ARDUS Multicast Transfer
    IANA
  • threat
    [threat] W32.Zotob
    Bekkoame
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About TCP/UDP ports

TCP port 397 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 397 in the same order in which they were sent. Guaranteed communication over TCP port 397 is the main difference between TCP and UDP. UDP port 397 would not have guaranteed communication as TCP.
UDP on port 397 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 397 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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