What are the potential pitfalls of relying on IP addresses for security measures in a PHP-based voting system?

Relying solely on IP addresses for security measures in a PHP-based voting system can be problematic because IP addresses can be easily spoofed or changed, leading to potential manipulation of the voting system. To enhance security, it is recommended to implement additional measures such as user authentication and session management. 

// Example of implementing user authentication in a PHP-based voting system
session_start();

if(isset($_SESSION['logged_in']) && $_SESSION['logged_in'] === true){
    // User is authenticated, allow them to vote
    castVote();
} else {
    // Redirect user to login page
    header("Location: login.php");
}

function castVote(){
    // Logic to process the vote
}

Keywords

IP addresses security measures PHP voting system potential pitfalls

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