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Search TCP / UDP Port Assignment Database

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Search result for: 20

From: [IANA] [NMAP] [WG] [WP] [SANS]

Service Port Prot. Description Notes
ftp-data 20 tcp File Transfer [Default Data] [IANA]
ftp-data 20 udp File Transfer [Default Data] [IANA]
ftp-data 20 sctp FTP [IANA] [RFC4960]
ftp-data 20 sctp # File Transfer [Default Data] [NMAP]
ftp-data 20 tcp # File Transfer [Default Data] [NMAP]
ftp-data 20 udp # File Transfer [Default Data] [NMAP]
ftp-data 20 tcp/udp FTP data port [WG]
20 tcp FTP default data - FTP Publishing Service [WG]
20 tcp/udp FTP data transfer [WP] Official
ftp-data 20 tcp File Transfer (Default Data) [SANS]
SennaSpyFTPserver 20 tcp (trojan) Senna Spy FTP server [SANS]
ftp-data 20 udp File Transfer (Default Data) [SANS]

How to use:

To search by port enter a number in the range between 0 and 65535. To search service / protocol description by keyword enter a text string at least three characters long. Wild-card (*) is supported if it is the last character in the search string. Alternatively, select a port from one of the ranges listed below.

0-1023 - Well-known or System Ports
1024-49151 - Registered or User Ports
49152-65535 - Dynamic/Private or Ephemeral Ports

Information Sources:
[IANA]  IANA Service Name and Transport Protocol Port Number Registry
[NMAP]  NMAP.org well known service port numbers
[WG]  WintelGuy.com port number database compiled from many different sources, including Microsoft, VMWare, Citrix, Oracle, etc.
[WP] Wikipedia - List of TCP and UDP port numbers
[SANS]  SANS Inst. / DShield service list