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 "forward"

Port: 22/TCP
22/TCP - Known port assignments (7 records found)
  • Service
    Details
    Source
  • ssh
    Secure Shell (SSH).
    Apple
  •  
    Secure Shell (SSH) - used for secure logins, file transfers (scp, sftp) and port forwarding (Official)
    WIKI
  • ssh
    The Secure Shell (SSH) Protocol
    IANA
  • trojan
    [trojan] Skun. Remote Access / Destructive trojan. Works on Windows. Aliases: Backdoor.Skun
    Simovits
  • trojan
    [trojan] InCommand. Remote Access / Keylogger / Steals passwords / Remote peeker / ICQ trojan / IRC trojan / FTP server. Works on Windows 95 and 98, together with ICQ. Uses Blade Runner source code. Uses plug-ins. Aliases: Backdoor.InCommand, BackDoor.DB, Trojan.Win32.InCommand, InCommander, Incomm
    Simovits
  • trojan
    [trojan] Shaft. Distributed DoS tool / Steals passwords. Works on Unix.
    Simovits
  • threat
    [threat] Shaft
    Bekkoame
Port: 712/TCP
712/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • tbrpf
    TBRPF
    IANA
  •  
    Topology Broadcast based on Reverse-Path Forwarding routing protocol (TBRPF) (RFC 3684) (Official)
    WIKI
  • ipcserver
    Mac OS X RPC-based services. Used by NetInfo, for example.
    Apple
Port: 1701/UDP
1701/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • l2tp
    l2tp
    IANA
  •  
    Layer 2 Forwarding Protocol (L2F) & Layer 2 Tunneling Protocol (L2TP) (Official)
    WIKI
  • l2f
    L2TP. Mac OS X Server VPN service
    Apple
Port: 2466/TCP
2466/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • lbf
    Load Balance Forwarding
    IANA
Port: 2466/UDP
2466/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • lbf
    Load Balance Forwarding
    IANA
Port: 5574/TCP
5574/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • lsi-bobcat
    SAS IO Forwarding
    IANA

About TCP/UDP ports

TCP port 22 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 22 in the same order in which they were sent. Guaranteed communication over TCP port 22 is the main difference between TCP and UDP. UDP port 22 would not have guaranteed communication as TCP.
UDP on port 22 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 22 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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