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 "am"

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Port: 20/TCP
20/TCP - Known port assignments (6 records found)
  • Service
    Details
    Source
  • ftp-data
    File Transfer [Default Data]
    IANA
  •  
    FTP - data transfer (Official)
    WIKI
  • ftp-data
    File Transport Protocol (FTP).
    Apple
  • threat
    [threat] Randex
    Bekkoame
  • sennaspyftpserver
    [trojan] Senna Spy FTP server
    SANS
  • trojan
    [trojan] Amanda. Remote Access / Keylogger / Steals passwords / ICQ trojan. Works on Windows 95 and 98, together with ICQ. Amanda installs under Windows NT, but is not able to run. Aliases: Backdoor.Amanda
    Simovits
Port: 28/TCP
28/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  •  
    Unassigned
    IANA
  • altavista-fw97
    AltaVista Firewall97
    SANS
  • trojan
    [trojan] Amanda. Remote Access / Keylogger / Steals passwords / ICQ trojan. Works on Windows 95 and 98, together with ICQ. Amanda installs under Windows NT, but is not able to run. Aliases: Backdoor.Amanda
    Simovits
Port: 63/TCP
63/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • whois++
    whois++
    IANA
  • via-ftp
    VIA Systems - FTP & whois++
    SANS
Port: 63/UDP
63/UDP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • whois++
    whois++
    IANA
  • via-ftp
    VIA Systems - FTP & whois++
    SANS
Port: 104/TCP
104/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • acr-nema
    ACR-NEMA Digital Imag. &Comm. 300
    IANA
  •  
    ACR/NEMA Digital Imaging and Communications in Medicine (Official)
    WIKI
  • acr-nema
    ACR-NEMA Digital Imag. & Comm. 300
    SANS
Port: 104/UDP
104/UDP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • acr-nema
    ACR-NEMA Digital Imag. &Comm. 300
    IANA
  •  
    ACR/NEMA Digital Imaging and Communications in Medicine (Official)
    WIKI
  • acr-nema
    ACR-NEMA Digital Imag. & Comm. 300
    SANS
Port: 175/TCP
175/TCP - Known port assignments (3 records found)
  • Service
    Details
    Source
  • vmnet
    VMNET
    IANA
  •  
    VMNET (IBM z/VM, z/OS & z/VSE - Network Job Entry(NJE)) (Official)
    WIKI
  • vmnet
    -
    SANS
Port: 376/TCP
376/TCP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • nip
    Amiga Envoy Network Inquiry Proto
    IANA
Port: 376/UDP
376/UDP - Known port assignments (1 record found)
  • Service
    Details
    Source
  • nip
    Amiga Envoy Network Inquiry Proto
    IANA
Port: 429/TCP
429/TCP - Known port assignments (2 records found)
  • Service
    Details
    Source
  • ocs_amu
    OCS_AMU
    IANA
  • ocs_amu
    -
    SANS
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About TCP/UDP ports

TCP port 20 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 20 in the same order in which they were sent. Guaranteed communication over TCP port 20 is the main difference between TCP and UDP. UDP port 20 would not have guaranteed communication as TCP.
UDP on port 20 provides an unreliable service and datagrams may arrive duplicated, out of order, or missing without notice. UDP on port 20 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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