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Can a Web server have multiple SSL certificates?
You can install multiple SSL certificates on a domain, but first a word of caution. A lot of people want to know whether you can install multiple SSL certificates on a single domain. The answer is yes.
How can I tell if a server certificate is valid?
Chrome has made it simple for any site visitor to get certificate information with just a few clicks:
- Click the padlock icon in the address bar for the website.
- Click on Certificate (Valid) in the pop-up.
- Check the Valid from dates to validate the SSL certificate is current.
How do I install a multi domain certificate?
Here’s how to install your Multi-Domain SSL Certificate on HostGator
- Fill out the CSR form on HostGator’s website.
- Purchase your SSL certificate, send Comodo your CSR.
- Upload your RSA key using the instructions from the Security Warning section on this page.
How does a browser validate an SSL certificate?
The certificate is validated by the client only when the server sends one. The server sends one with each full TLS handshake. The browser does not somehow cache an old certificate and ignore the one sent by the server when validating. It is more likely that you’ve not fully rolled out the new certificate on the server side.
When does a browser accept a certificate as valid?
If the procedure concludes with the last certificate in the path without errors, then the path is accepted as valid. If errors are produced, the path is marked as invalid. Regardless of any extensions, browsers must always verify basic certificate information such as the signature or the issuer.
How to force browser to fetch new SSL certificate instead?
For example if you have multiple servers make sure that all have the new certificate. If your server provides access for IPv4 and IPv6 make sure that in both cases the proper certificate is served. If you provide service on multiple ports make sure that they all use the new certificate.
What happens when you install two SSL certificates on the same domain?
When you install two SSL certificates on the same domain it forces the server to decide which one to serve. In some cases the server will send the most recently installed certificate to visiting browsers assuming it’s likely the most secure.