Search results for: "DNS checks"

What are the potential security risks of using IP-based checks for session management in PHP?

Using IP-based checks for session management in PHP can be risky because IP addresses can be easily spoofed or changed, leading to potential session h...

Are there alternative methods to protect admin pages without including session checks in each individual page?

To protect admin pages without including session checks in each individual page, you can create a separate PHP file that checks if the user is logged...

What best practices should be followed when handling file paths and file existence checks in PHP classes?

When handling file paths and file existence checks in PHP classes, it is important to sanitize user input to prevent directory traversal attacks. Addi...

What are some best practices for handling variable existence checks in PHP to avoid confusion or errors?

When checking for the existence of variables in PHP, it's best to use isset() or empty() functions to avoid confusion or errors. isset() checks if a v...

How can PHP developers dynamically determine the page being accessed and use it in array key checks?

To dynamically determine the page being accessed in PHP and use it in array key checks, you can utilize the `$_SERVER['REQUEST_URI']` variable to get...