Options
connect - establishes an TLS connection
to the specified ipaddr and port. The port number and ftp keyword
are optional. If the port number is not specified, the default secure
Telnet port 443 or the default secure FTP port 990 will be used. 
If the ftp keyword is specified, the connection
is to be made to a secure FTP server that is configured for security.
There are two types of security options for FTP servers:
- Implicit security to port 990
- Explicit security to any other port
add - adds a private client certificate to the specified keyring database.
list - displays a list of certificates stored in the specified keyring database.