Set the protocol versions enabled for use on this engine.
<P>
The protocols must have been listed by getSupportedProtocols()
as being supported. Following a successful call to this method,
only protocols listed in the <code>protocols</code> parameter
are enabled for use.
@param protocols Names of all the protocols to enable.
@throws IllegalArgumentException when one or more of
the protocols named by the parameter is not supported or
when the protocols parameter is null.
@see #getEnabledProtocols()
Set the protocol versions enabled for use on this engine. <P> The protocols must have been listed by getSupportedProtocols() as being supported. Following a successful call to this method, only protocols listed in the <code>protocols</code> parameter are enabled for use.
@param protocols Names of all the protocols to enable. @throws IllegalArgumentException when one or more of the protocols named by the parameter is not supported or when the protocols parameter is null. @see #getEnabledProtocols()