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I created Certificate Authority (CA) according to Ubuntu help using openssl. After creating a certificate for Apache2 and adding to certificate to it, I want to import it in Firefox. In the end of document, there is some information for adding CA certificate to Browser. Before that I should create PKCS#12 certificate using follwoing commands:

openssl req -x509 -nodes -days 365 -newkey rsa:1024 -keyout mycert.pem -out      mycert.pem
openssl pkcs12 -export -out mycert.pfx -in mycert.pem -name "Certificate for Whatever"

to create pfx file. But the problems is how this could relates to CA certification? For example, in the document the author generated a file called cacert.pem for CA certification and a file called cakey.pem for server private key. What is usage of the filemycert.pem?

As another note, after I runs following command:

openssl req -x509 -nodes -days 365 -newkey rsa:1024 -keyout mycert.pem -out      mycert.pem

I asked for entering Common Name information (like city, organization, ...). I entered some information (randomly) to the questions and finally after executing second command I produced mycert.pfx file and imported it to Firefox (as described in the end of document). But it does not recognized the .pfx file and nothing has been imported!

After that I decide to import cacert.pem and the file successfully added to list of trusted authorities:

enter image description here

But after importing certificate to Firefox and restarting it, When I request the page, I got This Connection is Untrusted page (meaning Firefox does not trust in my CA certificate) in the response. Where is the problem?

Updates: I added following image from my Firefox exception certificate view:

enter image description here

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    Does the Common Name matches the name you type in the browser? I see you are on "localhost" did you issued a certificate for "localhost" as well? – M'vy Feb 27 '15 at 14:37
  • @M'vy can I add mousaviserver.com (Common name for apache sever certificate) to my hosts file in Windows and try it again? – Seyed Morteza Mousavi Feb 27 '15 at 14:45
  • Just to clarify, you've also imported the certificate on the Windows machine? – RoraΖ Feb 27 '15 at 15:05
  • @raz before I check it, can you suggest me which one I should add to my windows (and browser)? mycert.pfx or cacert.pem? – Seyed Morteza Mousavi Feb 27 '15 at 15:08
  • I don't see where you generated cacert.pem. I would go with mycert.pem. .pem or .pfx is just the format of the certificate. Firefox only supports a few and .pfx isn't one of them. – RoraΖ Feb 27 '15 at 15:22
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openssl req -x509 [...]
to create pfx file. But the problems is how this could relates to CA certification?

Not at all. The "-x509" parameter triggers generation of a SELF SIGNED certificate. I.E. it is not signed by your CA.

See https://www.openssl.org/docs/apps/req.html

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