Twitch’s Software and Hardware Ecosystem

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Tutorial: PHP Port Scanner that Checks If Port 80 is Open

Here's an example of a PHP page that allows a user to input a starting and ending IP address range and scan for open port 80. It will display a list of links for the webpage(s) hosted on port 80 for IP addresses that have the port open. This implementation uses PHP, AJAX, and Bootstrap for the user interface.