[WLUG] Which CA does my ssl certificate belong to on the file system

[Carl T. Miller]

Hi Robert,

You can use openssl to retrieve and view the certificates on a webserver.

To retrieve all certs on a server:
openssl s_client -connect www.carltm.com:443 -showcerts | tee allcerts

To view each cert:
(create a file for each cert including the "BEGIN CERTIFICATE" and
"END CERTIFICATE" lines)
openssl x509 -noout -text -purpose -in onecert

I hope this helps with your investigation.

c


Robert Steckroth wrote:
> Hello everyone, I have a interesting question for those of you with https
> experience.
> I have a certificate authority (through namecheap), chained to my ssl
> key/certificate which is distributed by a Ubuntu server. The https content
> server is nodejs and serves the ssl cert to three types of platforms: web
> browsers, git repositories, and a qt desktop application. The https server
> works find on browsers (with the green https uri text). The problem is, I
> need to know where the CA certificate is kept on my local ubuntu file
> system in order to add it to the qt application and to the git config. I
> think maybe it is a cheap CA sense git does not already know about the CA
> on the file system (it works if I add it manually via git config
> http.sslCAInfo). Anyways, I still would like to know if there is a
> terminal
> command to find which CA my cert belongs to on the file system. It seems
> that they are everywhere on it, jeesh.
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