Prevent Telnet Access
Telnet traffic sends the password in clear text, which means that it could easily be read on the configuration or by a network sniffer, if one was attached to your network.
Telnet is actually disabled by default (i.e., you need to set a password and, optionally, a username to get it working). However, if you still want to have remote access to the management ports, you can enable SSH traffic to the switch with the transport input ssh command, which was discussed earlier.
Farai says – “The command transport input all is enabled by default for all . . .
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