Sure. See
<http://www.google.com.au/search?q=writing+custom+java+security+managers&ie=
UTF-8&oe=UTF-8&hl=en&btnG=Google+Search&meta=>

> -----Original Message-----
> From: Senthil Raja V [mailto:vsenthilraja@(protected)]
> Sent: Thursday, 4 March 2004 7:00 PM
> To: J2EEPATTERNS-INTEREST@(protected)
> Subject: [J2EEPAT-INT] server.policy File
>
>
> Hi,
>
> (using Sun ONE Appl. Server) I can able to edit server.policy file and
> add custom permission (overriding default permission) for an
> application...which works fine.
>
> I am wondering whether its possible to override the default permission
> settings through application (updaing policy settings from
> code and not
> updating server.policy file).
>
> Regards,
> Senthil
>
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