FTP (File Transfer Protocol) Port Numbers

FTP (File Transfer Protocol) Port Numbers

FTP or File Transfer Protocol is a network protocol used to transfer (upload and download) files and folders via a network. The FTP uses network sockets for communication. FTP is implemented in the TCP protocol for reliability and security. The FTP uses TCP port number 21 in order to start and control FTP transmission. But … Read more

How To Use Telnet To Test Open Ports (Windows, Linux, and MacOSX)?

How To Use Telnet To Test Open Ports (Windows, Linux, and MacOSX)?

The telnet is an application protocol used to connect remote devices over the network. Telnet provides text-oriented communication between local and remote hosts. Even the telnet is created to manage devices remotely via the command line interface it is also used to test open ports. As the telnet protocol and command use the TCP it … Read more

What Is SFTP Port Number?

What Is SFTP Port Number?

SFTP or Secure File Transfer Protocol is a protocol used to transfer files in an encrypted way. The SFTP protocol is integrated and provided by the SSH (Secure Shell) protocol. This means the SFTP runs under the SSH service. The SFTP uses the security, encryption, authentication, and authorization features of the SSH. SFTP Port Number … Read more