How do I control when an untrusted applet or application runs in my web browser
? ... or a certificate that has not been issued by a trusted Certificate Authority) will
run... the applications to run, that would normally be blocked by security checks.
Disabling Java in the Browser; Setting the Security Level; Security Options for a ...
These security levels apply to running Java in the browser, which includes plugin
... If the app is not automatically blocked, the user has the option to block the app,
.... but not to signed trusted apps that have unsigned untrusted extensions.