> I guess the question is really do we care that they were authenticated
> already, or do we care that they used CAS to authenticate?

I must admit I had some concerns about trusting other authentication
methods up the chain.  We sell CAS on the premise that it's more
secure than typical user/pass authentication schemes, which in this
case would be trusted by CAS and weaken overall security.  On the
other hand, if you need to combine CAS with other authentication
methods, it's likely a moot point that the auth methods other than CAS
are sufficient with regard to security.  I am comfortable with
allowing a trust mechanism in AuthenticationFilter as long as the
security considerations are well documented and it's a configuration
option that has to be explicitly enabled.

M

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