If you're specifically interested in authentication from a database (tables for users, roles and mappings), and using Tomcat, the JDBCRealm is the way to go:

http://jakarta.apache.org/tomcat/tomcat-5.5-doc/realm-howto.html#JDBCRealm

You might not need to learn about JAAS if all you want is simple form-based username/password authentication.

-- Bill

If your using Tomcat 5.5.x, then this may help:

http://jakarta.apache.org/tomcat/tomcat-5.5-doc/realm-howto.html#JAASRealm


/robert

Laurie Harper wrote:

I haven't used container managed security very much but I think the way you'd do that is to set up multiple security realms in Tomcat (one per application or one per database) and then configure your security constraints in the web.xml for each application. Your Tomcat books should have more details on how to do that than I can provide I'm afraid...

L.


--
Bill Schneider
Chief Architect

Vecna Technologies
5004 Lehigh Rd.
College Park, MD 20740
[EMAIL PROTECTED]
t: 301-864-7253 x1140
f: 301-699-3180


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