A Note on Auditing
Good auditing practices require a firm separation of duties. This separation makes it
easier, if issues with changes are causing problems, to determine the following:
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Who made the change? (More than information that "root" made the alteration.)
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When was the change made? (An adequate log retention period is important.)
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What was the purpose of the change? (If not malicious, the change was made for a reason.)