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 "tty"

Port: 87/TCP
87/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    any private terminal link
    IANA
  • priv-term-l
    any private terminal link ttylink
    SANS
Port: 911/TCP
911/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • xact-backup
    xact-backup
    IANA
  •  
    Network Console on Acid (NCA) - local tty redirection over OpenSSH (Unofficial)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
  • threat
    [threat] Dark Shadow
    Bekkoame
  • darkshadow
    [trojan] Dark Shadow
    SANS
  • trojan
    [trojan] Dark Shadow. Remote Access. Works on Windows 95, 98 and ME. Aliases: BackOrifice.Trojan
    Simovits
Port: 2012/TCP
2012/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • ttyinfo
    -
    IANA
  • threat
    [threat] OICQSer
    Bekkoame

About TCP/UDP ports

TCP port 87 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 87 in the same order in which they were sent. Guaranteed communication over TCP port 87 is the main difference between TCP and UDP. UDP port 87 would not have guaranteed communication as TCP.
UDP on port 87 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 87 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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