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 "re"

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Port: 53/TCP
53/TCP - Known port assignments (11 records found)
  • Service
    Details
    Source
  • domain
    Domain Name System (DNS). MacDNS, FaceTime
    Apple
  •  
    Domain Name System (DNS) (Official)
    WIKI
  • domain
    Domain Name Server
    IANA
  • threat
    [threat] W32.Dasher
    Bekkoame
  • threat
    [threat] W32.Spybot
    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
  • trojan
    [trojan] li0n. Worm / Steals passwords / Rootkit dropper / Hacking tool / Distributed DoS tool. Works on Unix (Linux), together with BIND 8.2. Aliases: The Lion worm, Linux/Lion, 1i0n, Lion
    Simovits
  • trojan
    [trojan] MscanWorm.
    Simovits
  • trojan
    [trojan] MuSka52. Remote Access / Keylogger / Steals passwords / ICQ trojan / AIM trojan. Works on Windows, together with AOL's Messanger AIM. Aliases: Backdoor.QT, BackDoor.Muska, M52
    Simovits
  • threat
    [threat] Civcat
    Bekkoame
  • threat
    [threat] Esteems
    Bekkoame
Port: 54/TCP
54/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • xns-ch
    XNS Clearinghouse
    IANA
  •  
    XNS (Xerox Network Systems) Clearinghouse (Official)
    WIKI
  • trojan
    [trojan] MuSka52. Remote Access / Keylogger / Steals passwords / ICQ trojan / AIM trojan. Works on Windows, together with AOL's Messanger AIM. Aliases: Backdoor.QT, BackDoor.Muska, M52
    Simovits
Port: 66/TCP
66/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • sql*net
    Oracle SQL*NET
    IANA
  • trojan
    [trojan] AL-Bareki. Remote Access. Works on Windows. Aliases: Jaas
    Simovits
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: 69/UDP
69/UDP - Known port assignments (8 records found)
  • Service
    Details
    Source
  •  
    Trivial File Transfer Protocol (TFTP) (Official)
    WIKI
  • tftp
    Trivial File Transfer Protocol (TFTP).
    Apple
  • tftp
    Trivial File Transfer
    IANA
  • threat
    [threat] W32.Cycle
    Bekkoame
  • threat
    [threat] W32.Zotob
    Bekkoame
  • trojan
    [trojan] Pasana. Remote Access. Works on Windows. Aliases: Backdoor.Pasana
    Simovits
  • threat
    [threat] W32.Blaster.Worm
    Bekkoame
  • threat
    [threat] W32.Bolgi.Worm
    Bekkoame
Port: 70/TCP
70/TCP - Known port assignments (5 records found)
  • Service
    Details
    Source
  • gopher
    Gopher
    IANA
  •  
    Gopher protocol (Official)
    WIKI
  • gopher
    -
    SANS
  • threat
    [threat] W32.Evala.Worm
    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: 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
Port: 72/TCP
72/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • netrjs-2
    Remote Job Service
    IANA
  •  
    NETRJS protocol (Official)
    WIKI
Port: 72/UDP
72/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • netrjs-2
    Remote Job Service
    IANA
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About TCP/UDP ports

TCP port 53 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 53 in the same order in which they were sent. Guaranteed communication over TCP port 53 is the main difference between TCP and UDP. UDP port 53 would not have guaranteed communication as TCP.
UDP on port 53 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 53 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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