As a cybersecurity analyst, you discover that a critical database server is publicly accessible over the internet due to a misconfigured firewall. Which immediate action should you recommend to mitigate this vulnerability?
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Ensure the database server is using encrypted connections for all communications.
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Reconfigure the firewall to restrict access to the database server.
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Install the latest security patches on the database server.
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Change the database server’s default administrative password.
The correct answer is to reconfigure the firewall to restrict access to the database server. Publicly accessible database servers can be easily targeted by attackers, making it imperative to ensure that access is restricted to authorized users and systems only. Modifying other parameters such as password policies or ensuring updates are installed, while important for overall security, will not directly address the immediate threat posed by the open firewall configuration.
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Why is restricting access through the firewall so critical for database security?
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What are some best practices for configuring a firewall for database servers?
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How does a misconfigured firewall expose a database server to threats?