Thank you very much. I have been working in creating my own permission and
I have some questions:

- In the Java documentation says it is necessary to add a checkPermission
in the application's resource management code. My question is, when we are
working with web applications, which is the application's resource
management code? And where is it?

- When I create my own permission class, where do I have to store it? In
order to the Security manager can find it.

- I have read that it is not necessary to modify the Security Manager, when
we are creating a new permission for secure the JVM. When we are working
with Tomcat, and not with the JVM directly, is it the same? Or is it
necessary to modify the Tomcat's Security Manager?

Thank you very much.



2013/11/12 Aurélien Terrestris <aterrest...@gmail.com>

> Hello Analia
>
> I'm glad that you could play successfully with the Security Manager as
> I advised first :D
>
>
> About permissions, here you have a doc :
>
>
> http://docs.oracle.com/javase/6/docs/technotes/guides/security/spec/security-spec.doc3.html#20211
>
> best regards
>
> 2013/11/11 ANALIA DE PEDRO SANTAMARIA <100074...@alumnos.uc3m.es>:
> > Hello,
> >
> > I have been working with the Security Manager and I think it is a good
> > aproximation of what I need, thank you very much for the advice. I have
> > read that it is possible to create your own Permission class, but I
> haven't
> > found any documentation or example. Could anybody tell me where I can
> find
> > information about create a Permission class?
> >
> > Thank you very much.
> >
> >
> > 2013/10/23 Caldarale, Charles R <chuck.caldar...@unisys.com>
> >
> >> > From: Christopher Schultz [mailto:ch...@christopherschultz.net]
> >> > Subject: Re: Restrict the use of JDK classes Tomcat 7 or 6
> >>
> >> > When you say "Java classes", are you talking about re-defining
> >> > something like java.lang.String? If so, then the servlet spec (3.0:
> >> > 10.7.2) prohibits web applications from loading classes from any of
> >> > these packages from a web application class loader.
> >> >   java.*
> >> >   javax.*
> >> > Looking at current trunk, Tomcat appears to take a lazy view and just
> >> > look for these two classes:
> >> >   javax.servlet.Servlet
> >> >   javax.el.Expression
> >> > So it looks like you might be able to redefine java.lang.String if you
> >> > want.
> >>
> >> As I recall, the JVM itself prevents loading of java.* classes from
> >> anywhere other than the registered JRE jar locations.  Not sure about
> >> javax.* classes.
> >>
> >>  - Chuck
> >>
> >>
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