Solution – How to resolve the ‘Server has a weak ephemeral Diffie-Hellman public key‘ error. This error mainly occurs on browsers like Chrome, Firefox and Opera while you try to access a less secured page. Follow the steps below to solve this error in Firefox browser.
Here in this config page, you will find a list of boolean entries. Search for below two entries,
By default, these are set to TRUE. But you have to set them to FALSE in order to allow the less secured pages.
1) Instead of using HTTPS try using HTTP. For example,
Use http://www.tegonity.com/ instead of https://www.tegonity.com/
2) If it doesn’t work in http, you may have to use IE Tab extension to view only this web page in Chrome, This extension allows you to open a particular website on IE without exiting Chrome.
Once installed IE Tab, type the URL you want to visit on the Address bar of chrome.
You will see the error message, Now all you have to do is click on the IE Tab icon which you will find in the right corner of the Chrome window (Highlighted in Blue).
This would allow you view the web page without any issues. Though it’s not an official fix, it still works.
Hope these steps given above solves your issue.