Linked by Thom Holwerda on Wed 18th Feb 2009 23:28 UTC
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Member since:
2009-02-19
The statement by the slashdot user (reproduced in the article) that a firewall only protects you from outside threats is nonsense - it assumes that a firewall cannot protect against an installed application because the application can simply make an exception for itself in the firewall settings. This is not true - on most operating systems, an admin or super-user password is required to allow this, and even when the user is logged in as a administrator (and you wouldn't do that for your day-to-day work, would you?) a prompt would still be displayed by any modern OS.
An application whose installer requires you to give your admin password can, of course, make a hole in the firewall for itself, but it is very different from a covert malicious application.