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

Fully Qualified Domain Name (FQDN) Tutorial

Fully Qualified Domain Name (FQDN) Tutorial

The Fully Qualified Domain Name or FQDN which is also called as absolute domain name is used to specify a specific host in the DNS system. Even FQDN can be used for different resources it is generally used to identify and define hosts in computer networks via the DNS protocol. The FQDN provides a list … Read more

How To Set and Use Google DNS Service In Windows and Linux?

How To Set and Use Google DNS Service In Windows and Linux?

All ISP’s or Internet Service Providers provide DNS services for their customers. And most cases their customers use their DNS services by default which is also set as in their routers, ADSL Modems, etc. Google provides DNS service in order to prevent ISP-related blockings and also provide a fast and secure experience. Google DNS service … 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

What Is Link-Local Address?

What Is Link-Local Address?

Computer networks provide the link-local addresses that can be only used to communicate in the current network segment or broadcast domain in the current network. The Link-Local address is automatically generated by the host and does not needs to get a configuration service like DHCP. The Link-Local Address is automatically assigned by using the stateless … Read more