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 "protocol"

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Port: 112/UDP
112/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • mcidas
    McIDAS Data Transmission Protocol
    IANA
Port: 113/TCP
113/TCP - Known port assignments (20 records found)
  • Service
    Details
    Source
  • auth
    Authentication Service
    IANA
  •  
    ident - Authentication Service/Identification Protocol, used by IRC servers to identify users (Official)
    WIKI
  • ident
    -
    Bekkoame
  • auth
    ident tap Authentication Service
    SANS
  • ident
    Identification Protocol.
    Apple
  • threat
    [threat] W32.Bofra
    Bekkoame
  • threat
    [threat] W32.Korgo
    Bekkoame
  • threat
    [threat] W32.Linkbot
    Bekkoame
  • threat
    [threat] W32.Mydoom
    Bekkoame
  • threat
    [threat] W32.Spybot
    Bekkoame
  • trojan
    [trojan] Dosh. Remote Access. Works on Windows. Aliases: Backdoor.Dosh
    Simovits
  • trojan
    [trojan] Gibbon. Works on Windows. Aliases: Backdoor.Gibbon, Ders, Backdoor.Ders, Delf.E, War Gibbon
    Simovits
  • trojan
    [trojan] Taskman. Remote Access / IRC trojan / DoS tool. Works on Windows 95, 98 and NT, together with an IRC software. Aliases: Trojan.PSW.Taskman, Task Manager, Tasm, Backdoor.Tasmer, Narnar, W32.Tasmer.A, IRC/Randy, Randy, Tasmer
    Simovits
  • 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
  • trojan
    [trojan] Alicia. Remote Access / IRC trojan. Works on Windows. Aliases: Backdoor.Alicia
    Simovits
  • trojan
    [trojan] Cyn. Remote Access / Downloading trojan / Port scanner. Works on Windows. Aliases: Backdoor.Cyn, Backdoor.PB
    Simovits
  • trojan
    [trojan] DataSpy Network X. Remote Access / Keylogger / Downloading trojan / Port scanner / DoS tool / IRC trojan / Port proxy / Hacking tool / Destructive trojan. Works on Windows. Aliases: DSNX, Win32.DSNX, Backdoor.DSNX, BackDoor.UK, Trojan.Win32.DSNX, Troj/Dsnx
    Simovits
  • threat
    [threat] Invisible Identd Deamon
    Bekkoame
  • threat
    [threat] Kazimas
    Bekkoame
  • threat
    [threat] Randex
    Bekkoame
Port: 115/TCP
115/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • sftp
    Simple File Transfer Protocol
    IANA
  •  
    Simple File Transfer Protocol (SFTP) (Official)
    WIKI
  • sftp
    Secure File Transfer Program (SFTP). Note: Some authorities reference a "Simple File Transport Protocol" or "Secured File Transport Protocol" on this port.
    Apple
Port: 115/UDP
115/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • sftp
    Simple File Transfer Protocol
    IANA
Port: 119/TCP
119/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • nntp
    Network News Transfer Protocol
    IANA
  •  
    Network News Transfer Protocol (NNTP) - retrieval of newsgroup messages (Official)
    WIKI
  • nntp
    Network News Transfer Protocol (NNTP). Used by applications that read newsgroups.
    Apple
  • threat
    [threat] Happy99
    Bekkoame
  • threat
    [threat] Horrortel
    Bekkoame
Port: 119/UDP
119/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • nntp
    Network News Transfer Protocol
    IANA
Port: 123/TCP
123/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • ntp
    Network Time Protocol
    IANA
  • ntp
    Network Time Protocol (NTP). Date & Time preferences. Used for network time server synchronization, AppleTV Network Time Server Sync
    Apple
  • threat
    [threat] Madfind
    Bekkoame
  • threat
    [threat] Net Controller
    Bekkoame
  • netcontroller
    [trojan] Net Controller
    SANS
  • trojan
    [trojan] Net Controller. Remote Access / Keylogger / FTP server. Works on Windows 95, 98, ME, NT and XP. Both English and Portoguese versions exists. Aliases: Netcontroller
    Simovits
Port: 123/UDP
123/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • ntp
    Network Time Protocol
    IANA
  •  
    Network Time Protocol (NTP) - used for time synchronization (Official)
    WIKI
  • ntp
    Network Time Protocol (NTP). Date & Time preferences. Used for network time server synchronization, AppleTV Network Time Server Sync
    Apple
Port: 129/TCP
129/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • pwdgen
    Password Generator Protocol
    IANA
Port: 129/UDP
129/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • pwdgen
    Password Generator Protocol
    IANA
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About TCP/UDP ports

TCP port 112 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 112 in the same order in which they were sent. Guaranteed communication over TCP port 112 is the main difference between TCP and UDP. UDP port 112 would not have guaranteed communication as TCP.
UDP on port 112 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 112 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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