portal-qa.mydomain.com

Posted in: #CertificateGeneration #Domains #Openssl

I access production and qa domain websites as follows :

Production : portal.mydomain.com
QA : portal-qa.mydomain.com
However, when I add www like the following :https://www.portal-qa.mydomain.com, I get "Web Page Not" available error on the browser.

Since I have been following the steps for generating CSR using OpenSSL as mentioned here

They have mentioned domain name as mydomain.com.

My QUESTION:

Is it okay if I use portal.mydomain.com and portal-qa.mydomain.com as my fully qualified domain name(FQDN) without using www for generating the CSR? Please advise.

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@Goswami781

If you have purchase a standard, single domain SSL certificate, then
it will be for one domain, so you can only use it for domainname.com
or domainname.com.
If you have purchased a wildcard or UCC certificate then it will allow
either unlimited subdomains (in the case of a wildcard) or mulitple
domains up to a certain number (in the case of UCC).

serverfault.com/questions/226289/how-to-install-a-single-ssl-certificate-for-www-and-non-www

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: Figuring out domain name for generating Customer Signing Request (CSR) I access production and qa domain websites as follows : Production : https://portal.mydomain.com QA : https://portal-qa.mydomain.com

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