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I have a website hosted in the UK and I also have an organisation in South Africa hosting my company application online for web access.

I want to implement SSL for both servers, as it requires login from different places and different people.

Is it possible to purchase just one SSL certificate for the company in the company name for one domain name and use it for both purposes? Will there be any conflict issuing the CSR?

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Cross posted at… –  Ladadadada Apr 3 '13 at 15:10

2 Answers 2

up vote 1 down vote accepted

Yes, this is possible. You just need the private key from the server that the CSR was generated from. Transfer that private key to both servers, along with the SSL cert and CA Bundle.

However, if you're using a sub-domain on the second server, then you'll either need a wildcard SSL or multiple SSL certificates.

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If both locations use the same URL there won't be any issue. You could purchase a multi-SAN cert to use in both locations if you want to only use one certificate also.

SSL works by matching the URL you're visiting to the CN (or SANs) on the server, if they match (and the certificate is valid and not listed on the CA's CRL) then the client will be happy...otherwise you'll get a certificate error on the client's side.

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