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301 Moved Permanently - csieu.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, 30 Apr 2025 11:29:00 GMT
Content-Type: text/html; charset=iso-8859-1
Content-Length: 243
Connection: keep-alive
Location: https://www.csieu.com/error/403.php
X-Scale: YXBvY2FzQGdpdGh1Yg==

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://www.csieu.com/error/403.php
HTTP Status: 403
User-Agent: Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; [email protected])
Server: nginx
Date: Wed, 30 Apr 2025 11:29:00 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
Vary: Accept-Encoding
X-Powered-By: PHP/5.5.38
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate, post-check=0, pre-check=0
Pragma: no-cache
X-Frame-Options: SAMEORIGIN
Set-Cookie: PHPSESSID=sja43glpq19nq8kkbfe20j3sg0; path=/
Set-Cookie: lang=deleted; expires=Thu, 01-Jan-1970 00:00:01 GMT; Max-Age=0; path=/; domain=www.csiportugal.com
Vary: Accept-Encoding,User-Agent
x-xss-protection: 1; mode=block
X-Content-Type-Options: nosniff
Content-Security-Policy: frame-ancestors 'self' luso-cad.pt *.luso-cad.pt luso-cad.es *.luso-cad.es luso-cad.com *.luso-cad.com;

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

<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml" dir="ltr" lang="en"><head> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>CSI Portugal</title> <meta name="keywords" content="elementos finitos,edifícios,pontes,estruturas especiais,csibridge,sap2000,etabs,safe,eurocódigos,modelação estrutural,bim,dimensionamento estrutural,cálculo estrutural,pormenorização estrutural,formação"> <meta name="description" content="Contamos com colaboradores cuja experiência académica, profissional e internacional lhes permite desenhar um projeto empresarial para dar reposta às necessidades de profissionais, estudantes, professores e empresas que desenvolvem atividade na área de engenharia e projeto de estruturas"> <meta name="copyright" content="IGENMAI"> <meta property="og:title" content="CSI Portugal"> <meta property="og:description" content="Contamos com colaboradores cuja experiência académica, profissional e internacional lhes permite desenhar um projeto empresarial para dar reposta às necessidades de profissionais, estudantes, professores e empresas que desenvolvem atividade na área de engenharia e projeto de estruturas"> <meta property="og:type" content="website" > <meta property="og:url" content="http://www.csieu.com/error/403.php"> <meta property="og:image" content="https://www.csiportugal.com/img/logo-site-pt.png" > <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="shortcut icon" href="https://www.csiportugal.com/favicon.ico"> <link rel="apple-touch-icon" href="https://www.csiportugal.com/img/touch-icon.png"> <link rel="stylesheet" href="https://www.csiportugal.com/css/base.css"> <link rel='stylesheet' href='https://fonts.googleapis.com/css?family=Open+Sans:400,400italic,300,600' type='text/css'> <link rel="stylesheet" href="https://www.csiportugal.com/css/style.css?V1.184"> <link href="https://fonts.googleapis.com/css?family=Open+Sans:400,600,700" rel="stylesheet"> <script async src="https://www.googletagmanager.com/gtag/js?id=UA-133456254-1"></script> <script type="text/javascript">window.dataLayer=window.dataLayer||[];function gtag(){dataLayer.push(arguments);}
gtag('js',new Date());gtag('config','UA-133456254-1');</script> <script type="text/javascript">(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-MCVSJCQ9');</script> <!--[if lt IE 9]> <script src="https://oss.maxcdn.com/libs/html5shiv/3.7.0/html5shiv.js"></script> <script src="https://oss.maxcdn.com/libs/respond.js/1.4.2/respond.min.js"></script> <![endif]--> <link rel="stylesheet" href="https://www.csiportugal.com/css/error.css"> </head> <body class="blank"> <div class="contents"> <div class="main"> <div class="main-inner"> <div class="the-error"> <h1>403</h1> <div class="error_bubbles"></div> <hr /> <p class="first"><span>Oops! Something went wrong here</span></p> <p class="last">Forbidden Access!</p> </div> </div> </div> </div> </body> </html>

Whois info of domain

Domain Name: CSIEU.COM
Registry Domain ID: 1510666157_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.PublicDomainRegistry.com
Registrar URL: http://www.publicdomainregistry.com
Updated Date: 2024-07-02T10:52:08Z
Creation Date: 2008-07-28T18:33:40Z
Registry Expiry Date: 2025-07-28T18:33:40Z
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: ok https://icann.org/epp#ok
Name Server: NS1.MYDNSPT.NET
Name Server: NS2.MYDNSPT.NET
Name Server: NS7.MYDNSPT.NET
Name Server: NS8.MYDNSPT.NET
DNSSEC: unsigned
URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/
>>> Last update of whois database: 2025-04-30T11:28:52Z <<<
For more information on Whois status codes, please visit https://icann.org/epp
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