How to implement custom socket option.

In our application we use DatagramSocket. We are able to set the standard socket options that are implemented in SocketOption interface by using the setter methods available in DatagramSocket. We need to set a custom (non-standard) socket option in the DatagramSocket created.
Any help on how to do this?

Hi,
this document in addition
http://www.oracle.com/technology/products/jdev/howtos/10g/jaassec/index.htm
has a list of LoginModules, one that authenticates against physical database users
Frank

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