You use a "hardening program" to try to make your system as secure as possible, from the ground up. Generally, you deactivate unnecessary services and better the configurations of the ones you leave enabled. This is wildly effective, as it can eliminate many of the vulnerabilities that are common on Linux/Unix platforms.
SecurityFocus has an article that presents a walk through of Bastille Linux, a popular hardening program for Red Hat and Mandrake, available for free from Jon Lasser, Pete Watkins, myself, and the rest of the Bastille Linux project. This walk through won't be the kind of "paranoid" setup that the writer enjoys most, as that could remove too much functionality for the average reader.
SecurityFocus has an article that presents a walk through of Bastille Linux, a popular hardening program for Red Hat and Mandrake, available for free from Jon Lasser, Pete Watkins, myself, and the rest of the Bastille Linux project. This walk through won't be the kind of "paranoid" setup that the writer enjoys most, as that could remove too much functionality for the average reader.
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