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Plesk-hosted website redirects to Plesk login page when opened via HTTPS

Renan Poss Moreira
Updated
kb: technical Plesk Obsidian for Windows ABT: Group A

Applicable to:

  • Plesk Obsidian for Windows
  • Plesk Obsidian for Linux

Symptoms

  • A website hosted in Plesk redirects to the Plesk login page when accessed via HTTPS by URL https://example.com.

  • Website is opened correctly via HTTP by URL http://example.com

  • At Plesk > Tools & Settings > Customize Plesk URL is set to All domains and subdomains that resolve to the server IP address but are not used for hosting

Cause

Missing bindings in IIS server or the website has SSL/TLS Support disabled.

Resolution

Apply one of the following solutions:

Enable SSL/TLS support for the domain:
  1. Log into Plesk;
  2. Go to Domains > example.com > Hosting Settings;
  3. Enable the SSL/TLS support;
  4. Seelct a certificate (issue one if it is not available for selection)
  5. Click Apply.
Disable Custom Plesk URL:

  1. Log into Plesk;

  2. Go to Tools & Settings > Customize Plesk URL;

  3. Set No custom URLs. Only https://<server-IP-or-hostname>:8443;

  4. Click Save.

    Warning: After this change, Plesk will be accessible only on port 8443: https://<server-IP-or-hostname>:8443

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Comments

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    Michael O'Quin

    The actual problem was that I use Cloudflare for DNS and what fixed the problem was going to Tools & Settings > Session Idle Time and setting "Allow IP address changes during a single session". 

    Please add this to the possible fixes.

    1

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