Title: ERR_ECH_FALLBACK_CERTIFICATE_INVALID
Last modified: September 6, 2023

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# ERR_ECH_FALLBACK_CERTIFICATE_INVALID

 *  Resolved [fluidall](https://wordpress.org/support/users/cyclonehydraulics/)
 * (@cyclonehydraulics)
 * [2 years, 9 months ago](https://wordpress.org/support/topic/err_ech_fallback_certificate_invalid/)
 * This plugin is causing issues on our site. I cannot access our website or the
   admin tool in chrome with the plugin active. I receive the following error in
   chrome. However, it works fine in Chrome. Everything in the browser and the website
   are current, up to date. I have had this happen over the past week and a half.
   I have used the plugin for years, have never had a previous issue.
 * This site can’t be reached
   The webpage at **[https://www.&#8212](https://www.&#8212);.
   com/wp-admin/plugins.php** might be temporarily down or it may have moved permanently
   to a new web address.ERR_ECH_FALLBACK_CERTIFICATE_INVALID
 * This site can’t be reached
   The webpage at **[https://www.&#8212](https://www.&#8212);.
   com/** might be temporarily down or it may have moved permanently to a new web
   address.ERR_ECH_FALLBACK_CERTIFICATE_INVALID
 * The page I need help with: _[[log in](https://login.wordpress.org/?redirect_to=https%3A%2F%2Fwordpress.org%2Fsupport%2Ftopic%2Ferr_ech_fallback_certificate_invalid%2F%3Foutput_format%3Dmd&locale=en_US)
   to see the link]_

Viewing 1 replies (of 1 total)

 *  Plugin Contributor [Rogier Lankhorst](https://wordpress.org/support/users/rogierlankhorst/)
 * (@rogierlankhorst)
 * [2 years, 9 months ago](https://wordpress.org/support/topic/err_ech_fallback_certificate_invalid/#post-17030867)
 * I just checked your SSL certificate:
    [https://www.ssllabs.com/analyze.html?d=www.fluidall.com&latest](https://www.ssllabs.com/analyze.html?d=www.fluidall.com&latest)
 * It returns a grade B, which usually doesn’t cause issues, but might indicate 
   some problems.
 * As the certificate itself was generated by your hosting company (I see cpanel/
   comodo), you would need to check with them if you still see issues.
 * You can send them above link so they can see what the problem is, and fix it.

Viewing 1 replies (of 1 total)

The topic ‘ERR_ECH_FALLBACK_CERTIFICATE_INVALID’ is closed to new replies.

 * ![](https://ps.w.org/really-simple-ssl/assets/icon-256x256.png?rev=2839720)
 * [Really Simple Security - Simple and Performant Security (formerly Really Simple SSL)](https://wordpress.org/plugins/really-simple-ssl/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/really-simple-ssl/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/really-simple-ssl/)
 * [Active Topics](https://wordpress.org/support/plugin/really-simple-ssl/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/really-simple-ssl/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/really-simple-ssl/reviews/)

## Tags

 * [chrome](https://wordpress.org/support/topic-tag/chrome/)
 * [SSL](https://wordpress.org/support/topic-tag/ssl/)

 * 1 reply
 * 2 participants
 * Last reply from: [Rogier Lankhorst](https://wordpress.org/support/users/rogierlankhorst/)
 * Last activity: [2 years, 9 months ago](https://wordpress.org/support/topic/err_ech_fallback_certificate_invalid/#post-17030867)
 * Status: resolved