Returns the host name or IP string from where the authentication attempt occurs. May be <tt>null</tt> if the
host name/IP is unknown or explicitly omitted. It is up to the Authenticator implementation processing this
token if an authentication attempt without a host is valid or not.
<p/>
<p>(Shiro's default Authenticator allows <tt>null</tt> hosts to support localhost and proxy server environments).</p>
@return the host from where the authentication attempt occurs, or <tt>null</tt> if it is unknown or
explicitly omitted.
Returns the host name or IP string from where the authentication attempt occurs. May be <tt>null</tt> if the host name/IP is unknown or explicitly omitted. It is up to the Authenticator implementation processing this token if an authentication attempt without a host is valid or not. <p/> <p>(Shiro's default Authenticator allows <tt>null</tt> hosts to support localhost and proxy server environments).</p>
@return the host from where the authentication attempt occurs, or <tt>null</tt> if it is unknown or explicitly omitted.