Sorry for the inconveniences you may have. In order to check the actual status of your installation, could you please share with us the output of the following commands?
ls -lart /ssl/*
ls -lart /opt/discourse-1.5.3-1/apache2/conf/server*
ls -lart /opt/discourse-1.5.3-1/apps/discourse/conf/certs/server*
We would also like to check the configuration files of Apache
Finally, could you please paste here the latest lines of the log files of Apache?
Could you provide us the following log files?