Telnet is a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communication facility using a virtual terminal connection. Using telnet server we can make a connection to a remote host using telnet client and get terminal.
How to configure and use OpenSSH on CentOS 7. Secure Shell or SSH is a protocol which allows users to connect to a remote system using a client-server architecture. The login session is encrypted and very secure. Today we are going to show you how to configure and use OpenSSH on a Linux VPS using CentOS 7 as an operating system. The tutorial explains about how to install telnet server on CentOS 7 / RHEL 7. We will also keep SELINUX on enforcing mode and use the firewalld rules. Telnet is a network protocol used on the Internet or local area networks to provide a bidirectional interactive text-oriented communication.
Telnet server is not secured for remote access, that’s why we do not recommend to use Telnet server for login to remote server. To access Linux system remotely use ssh servers.
Install Telnet Server
Telnet server is available under default yum repositories. Execute following command to install it
Enable Telnet Service
Telnet is an xinetd based service, First edit telnet xinetd configuration file /etc/xinetd.d/telnet and set disable to no.
Now restart xinetd service
Connect to Telnet Server
Now connect to Telnet server using telnet client. For this example, we are connecting to Telnet server from windows host