Telnet process

The Telnet command is used for remote login, including:
>>Establishing remote connection between the local host and remote host
>>A TCP connection is established during the process. The user must enter the IP address or domain name of the remote host.
>>Transmitting contents that are entered on the local host to the remote host in net virtual terminal (NVT) format, including user name, password, and any other command or character
>>An IP packet is sent from the local host to the remote host during this process.