You can disable Telnet access for all hosts, restrict Telnet access to up to five hosts, or allow Telnet access for all hosts.
| If... | Then... |
|---|---|
| You want to disable Telnet access for all hosts | Enter the following command: options trusted.hosts - |
| You want to restrict Telnet access to up to five hosts | Enter the following command: options trusted.hosts host1[, ..., host5] |
| You want to allow Telnet access for all hosts | Enter the following command: options trusted.hosts * |