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From: rotenca:telvia:it at: 10-Dec-2001 0:20

> Once you unset UNPROTECT, you can use it as a security feature. :)
I agree.
> (Other possibilities are: saving and restoring system/words; > running the untrusted code in a copy of system/words)
I think that also protecting system/words is not secure, because a program can change a field in an object, like system/user/... without changing global words. You can not save all the system with a copy deep.
> About tourists, I think an implementation could even just use a > dialect.
A dialect or launch with IPC should be better choices. --- Ciao Romano