Hi,
I am developing an application where there is a need for extended
authentication, in addition to that of usernam/password, some additional
challenge/response

Is there any way to protect a web app so that the extra parameters can
be prompted for in a 'standard' way

I know that I can use froms based authentication, but how do I separate
the username/password validation from the forwarding of the request.

Ideally I would like to validate the usernam/password, and then take the
user to a subsiquent page that does additional validation.

I had a look at JAAS to do this, but I cant see that this can be plugged
into a web app, without redeveloping the web app to explicitly check,
which rather defeats the purpose of the security system in the first
place.

Is there any way to do this. All that I can think of is by using a
filter for all of the secure area which is processed after the security
check pass, but this means a re-implementation of the facilities of the
j_security_check which is hardly neat

Any ideas

Mike 



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