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301 Moved Permanently - ctsem.com
HTTP Status: 301
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Wed, 07 May 2025 03:52:45 GMT
Content-Type: text/html
Content-Length: 162
Connection: keep-alive
Location: https://ctsem.com/

HTTP Code 301 Moved Permanently

301 status code means that the requested resource has been permanently moved to a new URL. All future requests should use the new address.

When is Code 301 used?

  • When changing a website domain
  • When modifying URL structures
  • When setting up redirects for SEO

What does Code 301 mean for the user?

The browser will automatically redirect the user to the new address, and search engines will update their indexes.

403 Forbidden - https://ctsem.com/
HTTP Status: 403
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Wed, 07 May 2025 03:52:46 GMT
Content-Type: text/html
Content-Length: 795
Connection: keep-alive
Last-Modified: Thu, 11 Apr 2024 20:11:44 GMT
ETag: "31b-615d7c3998f32"
Accept-Ranges: bytes
Strict-Transport-Security: max-age=15768000; includeSubDomains

HTTP Code 403 Forbidden

403 status code indicates that access to the requested resource is denied, even with authentication.

When is Code 403 used?

  • When accessing restricted content without necessary permissions
  • When security rules block a request
  • When an IP address is banned

What does Code 403 mean for the user?

The user is informed that they do not have permission to access the resource.

GET / HTTP/1.1
Host: ctsem.com
Accept: */*
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="utf-8">
  <meta http-equiv="x-ua-compatible" content="ie=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
  <title>403 Forbidden</title>
  <link rel="stylesheet" href="/error_docs/styles.css">
</head>
<body>
<div class="page">
  <div class="main">
    <h1>Server Error</h1>
    <div class="error-code">403</div>
    <h2>Forbidden</h2>
    <p class="lead">You do not have permission to access this document.</p>
    <hr/>
    <p>That's what you can do</p>
    <div class="help-actions">
      <a href="javascript:location.reload();">Reload Page</a>
      <a href="javascript:history.back();">Back to Previous Page</a>
      <a href="/">Home Page</a>
    </div>
  </div>
</div>
</body>
</html>

Whois info of domain

Domain Name: CTSEM.COM
Registry Domain ID: 101007971_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.PublicDomainRegistry.com
Registrar URL: http://www.publicdomainregistry.com
Updated Date: 2024-04-11T20:44:55Z
Creation Date: 2003-07-24T15:17:06Z
Registry Expiry Date: 2025-07-24T15:17:06Z
Registrar: PDR Ltd. d/b/a PublicDomainRegistry.com
Registrar IANA ID: 303
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.2013775952
Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited
Name Server: DAISY.NS.CLOUDFLARE.COM
Name Server: TERRY.NS.CLOUDFLARE.COM
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-05-07T03:52:31Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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