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This is a list of TCP and UDP port numbers used by protocols for operation of network applications. The Transmission Control Protocol (TCP) and the User Datagram Protocol (UDP) only need one port for bidirectional traffic. TCP usually uses port numbers that match the services of the corresponding UDP implementations, if they exist, and vice versa.
SFTP implementations may include an SSH protocol implementation to leverage integration of SSH connection details with preexisting FTP server access controls, where an alternative SSH server is tolerable or where alternative ports may be used. An SSH-2 server which supports subsystems may be leveraged to keep a uniform SSH implementation while ...
Data connection already open; transfer starting. 150: File status okay; about to open data connection. 200 Series: The requested action has been successfully completed. 202: Command not implemented, superfluous at this site. 211: System status, or system help reply. 212: Directory status. 213: File status. 214: Help message.
The "Server port" column indicates the port from which the server transmits data. In the case of FTP, this port differs from the listening port. Some protocols—including FTP, FTP Secure, FASP, and Tsunami—listen on a "control port" or "command port", at which they receive commands from the client.
In order to do this, an employee can set up remote port forwarding through SSH on the company's internal computers by including their FTP server’s address and using the correct port numbers for FTP (standard FTP port is TCP/21) [10] Opening remote desktop sessions is a common use of remote port forwarding.
Below are instructions on how to manually configure the mail server and port settings on many common third-party email clients. Remember to use the Netscape ISP supported configuration below while updating your mail settings. Step 1: Find the mail server settings in your email application.
• Port - 993 • Requires SSL - Yes. Outgoing Mail (SMTP) Server • Server - smtp.aol.com • Port - 465 • Requires SSL - Yes • Requires authentication - Yes.
The open source Windows program WinSCP [6] ... IANA had listed the standard TCP port 22 for SSH servers as one of the well-known ports as early as 2001. [11]