TCP/UDP Port Finder

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Database updated - March 30, 2016

Search results for "ns"

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Port: 27/TCP
27/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • nsw-fe
    NSW User System FE
    IANA
  •  
    NSW User System FE (Official)
    WIKI
  • altavista-fw97
    AltaVista Firewall97
    SANS
  • trojan
    [trojan] Assasin. Anti-protection trojan / Remote Access / Keylogger / LAN trojan. Works on Windows 95, 98, ME, NT, 2000 and XP. Aliases: A.s.s.A'sin', Backdoor.Assasin, BackDoor.AGS
    Simovits
Port: 27/UDP
27/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • nsw-fe
    NSW User System FE
    IANA
  •  
    NSW User System FE (Official)
    WIKI
Port: 159/TCP
159/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • nss-routing
    NSS-Routing
    IANA
  • nss-routing
    -
    SANS
Port: 159/UDP
159/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • nss-routing
    NSS-Routing
    IANA
  • nss-routing
    -
    SANS
Port: 261/TCP
261/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • nsiiops
    IIOP Name Service over TLS/SSL
    IANA
  • fw1-mgmt
    Checkpoint Firewall-1 Management
    SANS
  • nsiiops
    IIOP Name Service over TLS SSL
    SANS
Port: 261/UDP
261/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • nsiiops
    IIOP Name Service over TLS/SSL
    IANA
  • nsiiops
    IIOP Name Service over TLS SSL
    SANS
Port: 359/TCP
359/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • nsrmp
    Network Security Risk Management Protocol
    IANA
  • tenebris_nts
    Tenebris Network Trace Service
    SANS
Port: 359/UDP
359/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • nsrmp
    Network Security Risk Management Protocol
    IANA
  • tenebris_nts
    Tenebris Network Trace Service
    SANS
Port: 520/UDP
520/UDP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • router
    local routing process (on site); uses variant of Xerox NS routing information protocol - RIP
    IANA
  •  
    Routing Information Protocol (RIP) (Official)
    WIKI
  • route
    router routed -- RIP
    SANS
  • trojan
    [trojan] A UDP backdoor. Backdoor. Works on Unix.
    Simovits
Port: 760/TCP
760/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • ns
    -
    IANA
  •  
    krbupdate [kreg], Kerberos registration (Unofficial)
    WIKI
  • krbupdate
    kreg Kerberos (v4) registration
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
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About TCP/UDP ports

TCP port 27 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 27 in the same order in which they were sent. Guaranteed communication over TCP port 27 is the main difference between TCP and UDP. UDP port 27 would not have guaranteed communication as TCP.
UDP on port 27 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 27 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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