-Z tls-required - Enable/disable TLS security on the TELNET client

The -Z tls-required option is used to enable and disable TLS security on the TELNET client via the START-TLS option.

-Z tls-required

[ = { yes | no } ]

yes

START-TLS support is enabled.

no

START-TLS support is disabled.

-Z tls-required specified without operand

-Z tls-required = yes applies (START-TLS support is enabled).

-Z tls-required not specified

START-TLS support is not enabled.