Radiator Server Documentation — v10.34.0
Rejecting non-TLS TACACS+ connection. Expecting TLS ClientHello byte 0x16
Non-TLS traffic was rejected by a TACACS+ TLS listener.
Logged when the first byte received by a TACACS+ TLS listener is not the TLS handshake content type.
Connect with TLS or use a plain TCP listener. Review the TACACS+ TLS configuration.