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 "login"

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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: 49/UDP
49/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • tacacs
    Login Host Protocol (TACACS)
    IANA
  •  
    TACACS Login Host protocol (Official)
    WIKI
Port: 49/TCP
49/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • tacacs
    Login Host Protocol (TACACS)
    IANA
  •  
    TACACS Login Host protocol (Official)
    WIKI
Port: 512/TCP
512/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • exec
    remote process execution; authentication performed using passwords and UNIX login names
    IANA
  •  
    Rexec, Remote Process Execution (Official)
    WIKI
  • exec
    BSD rexecd(8)
    SANS
Port: 513/TCP
513/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • login
    remote login a la telnet; automatic authentication performed based on priviledged port numbers and distributed data bases which identify "authentication domains"
    IANA
  •  
    rlogin (Official)
    WIKI
  • login
    BSD rlogind(8)
    SANS
  • threat
    [threat] Grlogin
    Bekkoame
  • grlogin
    [trojan] Grlogin
    SANS
  • trojan
    [trojan] ADM worm. Worm / Rootkit / Backdoor. Works on Unix (Linux). Affects Linux RedHat 4.0 to 5.2. Aliases: ADM Inet w0rm, Linux.ADM.Worm
    Simovits
Port: 514/TCP
514/TCP - Known port assignments (7 records found)
  • Service
    Details
    Source
  • shell
    BSD rshd(8)
    SANS
  • shell
    shell.
    Apple
  •  
    Shell - used to execute non-interactive commands on a remote system (Remote Shell, rsh, remsh) (Official)
    WIKI
  • shell
    cmd like exec, but automatic authentication is performed as for login server
    IANA
  • rpcbackdoor
    [trojan] RPC Backdoor
    SANS
  • threat
    [threat] RPC Backdoor
    Bekkoame
  • trojan
    [trojan] ADM worm. Worm / Rootkit / Backdoor. Works on Unix (Linux). Affects Linux RedHat 4.0 to 5.2. Aliases: ADM Inet w0rm, Linux.ADM.Worm
    Simovits
Port: 543/TCP
543/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • klogin
    -
    IANA
  •  
    klogin, Kerberos login (Official)
    WIKI
Port: 1151/UDP
1151/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • unizensus
    Unizensus Login Server
    IANA
Port: 1151/TCP
1151/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • unizensus
    Unizensus Login Server
    IANA
  • threat
    [threat] Orion
    Bekkoame
  • orion
    [trojan] Orion
    SANS
  • trojan
    [trojan] Orion. Works on Windows 95, 98 and NT. Aliases: BackDoor.IF, ORION, Backdoor.Dynod,Backdoor.Trojan, Dynod, If
    Simovits
Port: 2005/TCP
2005/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • berknet
    -
    IANA
  • deslogin
    encrypted symmetric telnet login
    SANS
  • threat
    [threat] W32.Reatle
    Bekkoame
  • threat
    [threat] OICQSer
    Bekkoame
  • transscout
    [trojan] TransScout
    SANS
  • trojan
    [trojan] Duddie. Remote Access / Keylogger / Destructive trojan. Works on Windows. Aliases: Backdoor.Duddie
    Simovits
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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.
Your IP address
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