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Website is not accessible: 404 Not Found

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Alexander Tsmokalyuk
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Applicable to:

  • Plesk for Windows
  • Plesk for Linux

Symptoms

Website is not accessible:

  • Firefox: Server not found
  • Opera: Could not locate remote server
  • Internet Explorer: Internet Explorer cannot display the webpage or shows This page can’t be displayed message
  • Google Chrome: This site can’t be reached

Requesting the website over HTTP and shows redirection to HTTPS:

# curl -I http://www.example.com/ -v
* About to connect() to www.example.com port 80 (#0)
*  Trying 203.0.113.2... connected
.........
< Location: https://www.example.com/
Location: https://www.example.com/​   
< Server: Microsoft-IIS/7.5
Server: Microsoft-IIS/7.5


Requesting the website over HTTP shows SSL connection error:

# curl -k https://www.example.com/ -v
* About to connect() to www.example.com port 443 (#0)
*  Trying 203.0.113.2... connected
* Connected to www.example.com (203.0.113.2) port 443 (#0)
* Initializing NSS with certpath: sql:/etc/pki/nssdb
* warning: ignoring value of ssl.verifyhost
* skipping SSL peer certificate verification 

Cause

Redirection to HTTPS is hardcoded in website code, but not enabled in Plesk.

Resolution

Note: if you don't have administrative access to Plesk server via SSH or RDP, contact your hosting provider regarding the issue

1. Login to the server over SSH or RDP

2. Go to Subscriptions > example.com > Domains & Websites > Hosting Settings and enable 'SSL\TLS support' option:

SSL-TLS2.png

 

 

 

Comments

2 comments

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  • Avatar
    Ibrahima GUEYE

    Hey Alexander,

    Many thanks for this tuto!

    I have a website in plesk, currently not accessible through navigators (FIrefox, Chrome, Safari).

    I tested the commands you gave above, eery answres on my command line are okay, but the website is not accessible through navigator.

    My registrar have configured the DNS, NS adresses, and they seems OK.

    Do you have any other idea for this kind of issues?

    Here is the domain name: deeplinkin.com

     

    Regards,

    Ibrahima.

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  • Avatar
    Alexandr Redikultsev

    Hi @Ibrahima,

    What is the error message you are facing on attempt to open this website in browser?

    Depending on the error message, try searching for the articles in our knowledge base article.

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