Difference between revisions of "Primary TCP/IP Port Assignments and Descriptions"

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<td>21</td><td>FTP File Transfer (Control)</td>
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<td>'''21'''</td><td>'''FTP File Transfer (Control)''' - See Above</td>
 
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Revision as of 13:58, 30 March 2007

PortAssigmentDescription
20FTPFile Transfer Protocol (Data) - The File Transfer protocol provides a mechanism for transferring specific files between network connected computer systems. Transfer is typically performed using the ftp client which provides a range of commands used to connect to a remote server for the purpose of uploading or downloading files. Most modern web browsers also have the ability to browse and downlaod files located on a remote FTP server. FTP uses TCP (rather than UDP) to transfer files so is considered to be a highly reliable tranport mechanism.
21FTP File Transfer (Control) - See Above
22SSH - Secure Shell
23Telnet
25SMTP - Simple mail Transfer Protocol
53DNS - Domain Name Server
69TFTP - Trivial File Transfer (UDP based)
80HTTP - Hypertext Text Transfer Protocol
110POP3 - Post Office Protocol
119NNTP - Network News Transfer Protocol
123NTP - Network Time Protocol
143IMAP4 - Internet Message Access Protocol, Version 4
161SNMP - Simple Network Management Protocol
443HTTPS - Hypertext Transfer Protocol Secure
2049NFS - Network File System