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How to replace an already expired SSL Certificate.

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Last Modified: 2020-01-09
How to replace an already expired SSL Certificate.

I have always found SSL Certificates confusing and it is even more confusing if things do not work as planned from the instructions provided.  But it is a good opportunity to learn.  I have an SSL Certificate from godaddy.com and it has expired(1 month ago, or 30 days ago).  It is not a wild card certificate and we need to renew and replace it for an appliance and its  web address.  I see notes from: https://support.cartika.com/portal/kb/articles/renewing-your-ssl-certificate-godaddy-19-6-2018 on how to create a n SSL certificate and this part seems very familiar and straight forward.

Question1:  Do I need to generate a new CSR from that hosting appliance?
      a.  I am assuming yes and I found out how to do this on the appliance.

Question2:  How do I know what type of certificate to create?  Example, for Apache or Tomcat or Other?
     a.  I see from my  note s that all 3 were created last year; but, I am not sure which one was used.
     b.  From the appliance configuration I see a "key Pair" type is listed.

Question3.  I have notes on how to upload the certificate to the appliance; but, I am confused with  how to import the certificate correctly.  We had problems initially when a consultant was doing this.  Initailly the certificate only worked correctly with iphones and computers; but, not with Android phones.  
     a.  The consultant that did this last year had to "create the certificate a little bit differently to go into the product".
     b.  That consultant is no longer with that firm and we do not do business with that firm any longer.
     c.  I do not know what he meant by that.  Maybe I will need to contact the vendor if the problem comes back.
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