SSL with self signed certificate

Technical assistance
1

What is the procedure to configure Zammad with self-signed SSL certificate? All we could find is the procedure with Let’s Encrypt, but Let’s Encrypt doesn’t work with internal domain names. We have Zammad system installed in our local lab environment and it uses “mydomain.iss.local” names.

  • Used Zammad version: 2.7.x
  • Used Zammad installation source: yum
  • Operating system: Centos 7
  • Browser + version: all

Expected behavior:

  • Properly working SSL

Actual behavior:

  • My attempt to install self signed certificate ended with error “Cannot verify certificate”
2

SSL certificate issues are beyond the Zammad scope.

You can install Zammad and configure nginx/apache to use any certificate you want, just like for any other service.

3

Hi Larrybg

Take a look at our cheat sheet we made for our Zammad install. We use it with LetsEncrypt. At the bottom of the sheet is a script you can create to automatically renew the certificate. You’ll need to create the actual cronjob yourself with timings appropriate to you though.

4

I was able to setup Nginx with self-signed certificate using this instructions https://www.digitalocean.com/community/tutorials/how-to-create-a-self-signed-ssl-certificate-for-nginx-on-centos-7, and this conf file: https://github.com/zammad/zammad/blob/develop/contrib/nginx/zammad_ssl.conf

Thanks!

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5

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