firefox reports "the certificate is not trusted because the issuer certificate is unknown". SSL cert if from RapidSSL (SHA256), IE doesn't bring up any errors?
Hi all, I'm using Firefox 39.0. When I try to connect to our web site, (which has a RapidSSL certificate installed) it shows the errors;
"the certificate is not trusted because the issuer certificate is unknown" "the server might not be sending the appropriate intermediate certificates" "An additional root certificate may need to be imported"
If I look at the certificate chain I get the information below; Under the issued by, I have
RapidSSL SHA256 CA - G3 GeoTrust Inc. <Not Part Of Certificate>
When I go to the site with IE, there is no security warning. Any help with this is greatly appreciated.
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Could you check that the server is sending a complete certificate hierarchy with this test page:
https://www.ssllabs.com/ssltest/
And/or, if you want to post an address to the problem site, we could take a look at how our Firefoxes handle it.
Hi jscher2000, thanks for your reply. I have previously run the test from the test site and it has reported certificate chain issues. However I'm not sure what to do about it. If you wouldn't mind checking the server address is filr.ccaa.com.au. If possible please let me know how to resolve the issue. Thanks again.
If you have access to the web server, you need to install an intermediate certificate file. More info:
https://knowledge.rapidssl.com/support/ssl-certificate-support/index?page=content&id=AR1548
This server identifies itself as "Apache-Coyote/1.1", which is not familiar to me, but probably uses a directory structure similar to other Apache-based servers where the intermediate cert file goes into the same directory as your site certificate.