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 "sna"

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Port: 108/UDP
108/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • snagas
    SNA Gateway Access Server
    IANA
  •  
    SNA Gateway Access Server (Official)
    WIKI
Port: 108/TCP
108/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • snagas
    SNA Gateway Access Server
    IANA
  •  
    SNA Gateway Access Server (Official)
    WIKI
Port: 221/TCP
221/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • fln-spx
    Berkeley rlogind with SPX auth
    IANA
  • trojan
    [trojan] Snape. Works on Windows. Aliases: Backdoor.Snape
    Simovits
Port: 222/TCP
222/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • rsh-spx
    Berkeley rshd with SPX auth
    IANA
  • trojan
    [trojan] NeuroticKat. Anti-protection trojan / Remote Access / Keylogger. Works on Windows 98 and ME. Aliases: Backdoor.Neurotic
    Simovits
  • trojan
    [trojan] Snape. Works on Windows. Aliases: Backdoor.Snape
    Simovits
Port: 509/UDP
509/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • snare
    snare
    IANA
  • snare
    -
    SANS
Port: 509/TCP
509/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • snare
    snare
    IANA
  • snare
    -
    SANS
Port: 991/TCP
991/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • nas
    Netnews Administration System
    IANA
  •  
    NAS (Netnews Administration System) (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • trojan
    [trojan] Snape. Works on Windows. Aliases: Backdoor.Snape
    Simovits
Port: 992/TCP
992/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • telnets
    telnet protocol over TLS/SSL
    IANA
  •  
    TELNET protocol over TLS/SSL (Official)
    WIKI
  • telnets
    telnet protocol over TLS SSL
    SANS
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • trojan
    [trojan] Snape. Works on Windows. Aliases: Backdoor.Snape
    Simovits
Port: 1439/UDP
1439/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • eicon-x25
    Eicon X25/SNA Gateway
    IANA
  • eicon-x25
    Eicon X25 SNA Gateway
    SANS
Port: 1439/TCP
1439/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • eicon-x25
    Eicon X25/SNA Gateway
    IANA
  • eicon-x25
    Eicon X25 SNA Gateway
    SANS
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About TCP/UDP ports

TCP port 108 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 108 in the same order in which they were sent. Guaranteed communication over TCP port 108 is the main difference between TCP and UDP. UDP port 108 would not have guaranteed communication as TCP.
UDP on port 108 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 108 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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