I have a quick question - is it possible to restrict access to a transaction just in background and not foreground?

Dear Sir's,

I have a quick question - is it possible to restrict access to a

transaction just in background and not foreground?

for exmp i am using tcode QE17,this tcode calls internally QA11 for usage decision.

i want to restrict users enter this transaction foreground.user have to acess this tcode background only?

Plz Help.

Thanks,

Sunil