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 "t"

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Port: 40/TCP
40/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  • threat
    [threat] Midnight Commander Sometimes access FTP servers running at this port.
    Bekkoame
Port: 41/TCP
41/TCP - Known port assignments (8 records found)
  • Service
    Details
    Source
  • graphics
    -
    SANS
  • graphics
    Graphics
    IANA
  • threat
    [threat] RAT: Deep Throat Puts an FTP service at port 41 (TCP).
    Bekkoame
  • deepthroat
    [trojan] DeepThroat
    SANS
  • foreplay
    [trojan] Foreplay
    SANS
  • trojan
    [trojan] Deep Throat. Remote Access / FTP server / Steals passwords. Works on Windows 95, 98 and NT. There is a Global Master Password backdoor in all the servers: v 2.0 - whothefuckdoyouthinkiamgoddamnit2v 2.1 - whothefuckdoyouthinkiamgoddamnit1v 3.* - whothefuckdoyouthinkiamgoddamnit3 Aliases: Win32.DeepThroat, DTV2, DTV3, BackDoor.J, Backdoor.DeepThroat, W95/Backdoor.Tray
    Simovits
  • trojan
    [trojan] Foreplay. Remote Access / FTP server. Works on Windows. Aliases: F0replay, WiNNUke eXtreame, Reduced Foreplay
    Simovits
  • threat
    [threat] Foreplay
    Bekkoame
Port: 42/TCP
42/TCP - Known port assignments (4 records found)
  • Service
    Details
    Source
  • nameserver
    Host Name Server
    IANA
  •  
    ARPA Host Name Server Protocol (Official)
    WIKI
  •  
    Windows Internet Name Service (Unofficial)
    WIKI
  • threat
    [threat] W32.Dasher
    Bekkoame
Port: 43/TCP
43/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • nicname
    Who Is
    IANA
  •  
    WHOIS protocol (Official)
    WIKI
  • whois
    nicname
    SANS
Port: 44/TCP
44/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • mpm-flags
    MPM FLAGS Protocol
    IANA
  • arctic
    [trojan] Arctic
    SANS
  • trojan
    [trojan] Arctic. Remote Access / Keylogger / Steals passwords. Works on Windows 95, 98 and ME. It uses the same source code as GirlFriend. Aliases: Backdoor.Arctic.06, Artic
    Simovits
Port: 45/TCP
45/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • mpm
    Message Processing Module [recv]
    IANA
Port: 46/TCP
46/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • mpm-snd
    MPM [default send]
    IANA
Port: 47/TCP
47/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • ni-ftp
    NI FTP
    IANA
  •  
    NI FTP (Official)
    WIKI
Port: 48/TCP
48/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • auditd
    Digital Audit Daemon
    IANA
  • threat
    [threat] DRAT
    Bekkoame
  • drat
    [trojan] DRAT
    SANS
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
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About TCP/UDP ports

TCP port 40 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 40 in the same order in which they were sent. Guaranteed communication over TCP port 40 is the main difference between TCP and UDP. UDP port 40 would not have guaranteed communication as TCP.
UDP on port 40 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 40 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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