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 "service"

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Port: 42/UDP
42/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • nameserver
    Host Name Server
    IANA
  •  
    ARPA Host Name Server Protocol (Official)
    WIKI
  •  
    Windows Internet Name Service (Unofficial)
    WIKI
Port: 59/TCP
59/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  •  
    any private file service
    IANA
  • priv-file
    any private file service
    SANS
  • threat
    [threat] Sdbot
    Bekkoame
  • threat
    [threat] DMSetup
    Bekkoame
  • dmsetup
    [trojan] DMSetup
    SANS
Port: 59/UDP
59/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    any private file service
    IANA
  • priv-file
    any private file service
    SANS
Port: 62/TCP
62/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • acas
    ACA Services
    IANA
Port: 62/UDP
62/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • acas
    ACA Services
    IANA
Port: 65/TCP
65/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • tacacs-ds
    TACACS-Database Service
    IANA
Port: 65/UDP
65/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • tacacs-ds
    TACACS-Database Service
    IANA
Port: 69/TCP
69/TCP - Known port assignments (10 records found)
  • Service
    Details
    Source
  • tftp
    Trivial File Transfer
    IANA
  • threat
    [threat] W32.Evala.Worm
    Bekkoame
  • threat
    [threat] W32.Mockbot
    Bekkoame
  • backgate
    [trojan] BackGate
    SANS
  • trojan
    [trojan] BackGate Kit. Remote Access / Rootkit / Steals passwords / Downloading trojan / FTP proxy / HTTP proxy / Telnet proxy / SOCKs proxy / Winsock proxy / FTP server. Works on Windows NT, together with MS Internet Information Server (IIS). Aliases: Backdoor.NTHack, NT Hack, Unicode Rootkit
    Simovits
  • trojan
    [trojan] Nimda. Virus / Worm / Mail trojan / Network trojan / Hacking tool. Works on Windows 95, 98, ME, NT, 2000 and XP, together with MS Internet Information Server (IIS), MS Internet Explorer 5.5 SP1, MS Outlook , MS Outlook Express and MS Word. Aliases: Concept Virus (CV) v.5, W32.Nimda, Minda, W32.Minda, I-Worm.Nimda, Code Rainbow , PE_Nimda.A, CV-5
    Simovits
  • trojan
    [trojan] Pasana. Remote Access. Works on Windows. Aliases: Backdoor.Pasana
    Simovits
  • trojan
    [trojan] Storm. Distributed DoS tool. Works on Windows 95, 98, ME, NT and 2000, together with MS Internet Information Services (IIS) 4.0 and 5.0. Aliases: Java-Storm
    Simovits
  • trojan
    [trojan] Storm worm. Worm / Distributed DoS tool / Mail trojan. Works with Windows, together with MS Internet Information Server (IIS) 4.0 and 5.0. Aliases: DoS.Storm.Worm, W32.Storm.Worm
    Simovits
  • trojan
    [trojan] Theef. Anti-protection trojan / Remote Access / Keylogger / Port proxy / FTP server / Remote peeker. Works on Windows 95, 98, ME, NT and XP. Aliases: Backdoor.Theef, BackDoor.QW, Bkdr_Delf.AX
    Simovits
Port: 71/TCP
71/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • netrjs-1
    Remote Job Service
    IANA
  •  
    NETRJS protocol (Official)
    WIKI
Port: 71/UDP
71/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • netrjs-1
    Remote Job Service
    IANA
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About TCP/UDP ports

TCP port 42 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 42 in the same order in which they were sent. Guaranteed communication over TCP port 42 is the main difference between TCP and UDP. UDP port 42 would not have guaranteed communication as TCP.
UDP on port 42 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 42 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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