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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Don't worry, be happy!</title>
<link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-9ndCyUaIbzAi2FUVXJi0CjmCapSmO7SnpJef0486qhLnuZ2cdeRhO02iuK6FUUVM" crossorigin="anonymous">
</head>
<body>
<div class="container" style="max-width: 700px;">
<div class="text-center">
<div class="mb-5 mt-5">
<img src="https://upload.wikimedia.org/wikipedia/commons/thumb/6/65/Ruhr-Universit%C3%A4t_Bochum_logo.svg/2048px-Ruhr-Universit%C3%A4t_Bochum_logo.svg.png" width="200px" height="200px">
</div>
<div class="mb-5">
<h1>Why am I receiving HTTP requests from this machine?</h1>
<p>These HTTP requests are part of an Internet-wide research study being conducted by IT security scientists at the <a href="https://www.ruhr-uni-bochum.de/">Ruhr University Bochum</a>, Germany. This research involves making benign HTTP requests to every domain in the <a href="https://tranco-list.eu/">Tranco top sites ranking</a>. By measuring the entire list of the most popular 1 million domains, we are able to study global trends in web security.</p>
<p>We will never attempt to exploit security problems, guess passwords, or change device configurations. We only receive data that is publicly visible to anyone who visits your website.
</p>
<p>We are using the <a href="https://playwright.dev/">Playwright automation framework</a> to facilitate some of these scans. Playwright has been used for <a href="https://scholar.google.com/scholar?q=%22playwright%22+%22web+security%22">dozens of peer-reviewed academic papers</a>.
</p>
</div>
<div>
<h1>Can I request that my website is excluded?</h1>
<p>To have your host or network excluded from future scans conducted by us, please contact <a href="mailto:webscannerinfo@gmail.com">webscannerinfo@gmail.com</a> and include the domain name you would like us to blacklist. Alternatively, you can configure your firewall to drop traffic from the IP addresses we use for scanning: <code>134.147.198.123-125</code> and <code>195.37.190.66,82-83</code>.</p>
</div>
</div>
</div>
</body>
</html>