S - the expected SID of the server. For more information see the Sid field in the RPC_SECURITY_QOS structure in the MSDN. ...

-S  - the expected SID of the server. For more information
    see the Sid field in the RPC_SECURITY_QOS structure in the MSDN. Using      
    this option requires Windows .NET Server 2003 or higher. This field can
    be used only when authentication level and security package are
    selected.
    
-P  - specifies the identity to authenticate with to
    the RPC/HTTP proxy. Has the same format as for the -I option. 
    Also, you must specify security package (-u), authentication level 
    (-a), and authentication schemes (-H) in order to use this option.
    
-F  - the flags to pass for RPC/HTTP front end
    authentication. The flags may be specified as numbers or names
    The currently recognized flags are:
        Use SSL - 1 or ssl or use_ssl
        Use first auth scheme - 2 or first or use_first
    See the Flags field in RPC_HTTP_TRANSPORT_CREDENTIALS for more 
    information. Also, you must specify security package (-u) and 
    authentication level (-a) in order to use this option.
    
-H  - the authentication schemes to use for
    RPC/HTTP front end authentication. This option is a list of numerical
    values or names separated by comma. E.g. Basic,NTLM. Recognized values
    are (names are not case sensitive:
        Basic - 1 or Basic
        NTLM - 2 or NTLM
        Certificate - 65536 or Cert
    Also, you must specify security package (-u) and authentication level 
    (-a) in order to use this option.
    
-B  - the server certificate subject. For
    more information, see the ServerCertificateSubject field in the
    RPC_HTTP_TRANSPORT_CREDENTIALS structure in the MSDN. You must use
    SSL for this option to work. Also, you must specify security package 
    (-u) and authentication level (-a) in order to use this option.
    
-b - retrieves the server certificate subject from the certificate sent
    by the server and prints it to a screen or a log file. Valid only when
    the Proxy Echo only option (-E) and the use SSL options are specified.
    Also, you must specify security package (-u) and authentication level 
    (-a) in order to use this option.
    
-R - specifies the HTTP proxy. if it's 'none', we will not use HTTP proxy but
    directly attempt the RPC proxy. the value 'default' means to use the IE
    settings in your client machine. any other value will be treated as the
    explicit HTTP proxy. if you don't specify this flag, the default value
    is assumed, that is, the IE settings are checked. this flag is valid
    only when the -E (Echo Only) flag is enabled.