How to fix net::ERR_CERT_COMMON_NAME_INVALID . Security certificate is from a248.e.akamai.net

How to fix net::ERR_CERT_COMMON_NAME_INVALID . Security certificate is from a248.e.akamai.net

The Error

When you enter your domain name with https in the address bar (https://your-domain-name.com) you get an error like below

 

Your connection is not private

Attackers might be trying to steal your information from your-domain-name.com (for example, passwords, messages or credit cards).

net::ERR_CERT_COMMON_NAME_INVALID
 
When you click the "Advanced" button, you get another message like below.
 
This server could not prove that it is your-domain-name.com; its security certificate is from a248.e.akamai.net. This may be caused by a misconfiguration or an attacker intercepting your connection.
 

The Fix

If this problem boggles you, dont you worry. People have been grappling with this issue in Akamai for nearly 10 years now.

First let us see what is akamai and how it helps.

It is fairly known knowledge that website load speed is critical for user engagement and SEO ranking. If the route from your website server to the user is very long, the page also takes a long time to load.

Akamai is a worldwide network of computer servers. When you register your website with them, they cache your website in each of the servers around the world. When the user requests a specific webpage, the Akamai server nearest to him/her will send the webpage.

Now, Akamai has two parallel networks to serve your content. One is named FreeFlow for serving HTTP content. The other is called ESSL and serves both HTTP and HTTPS content. This error occurs if

HTTPS page is requested from the FreeFlow network

or

A page available only on the FreeFlow network is requested from the ESSL network.

With this in mind, you can try to fix the configuration in Akamai to help avoid this error.

 

If you have any issues and are not able to figure it out, we are here to help. Please email to sharmi@sitefitnesshq.com or use the chat window at the bottom and we will help you.

Firefox Error Message

Firefox is another browser, just like Chrome. The same problem causes a slightly different error message. The above fix helps for firefox browsers too. If you do not use Firefox, you can skip this part.

Websites prove their identity via certificates. Firefox does not trust this site because it uses a certificate that is not valid for your-domain-name.com. The certificate is only valid for the following names: a248.e.akamai.net, *.akamaihd.net, *.akamaized-staging.net, *.akamaihd-staging.net, *.akamaized.net

Error code: SSL_ERROR_BAD_CERT_DOMAIN

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