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How many domain names can use this certificate?
Most vendors will let you put about 40 domain names on one cert. If they are sub-domains, a wildcard cert is the way to go. For each of tjose options you only need 1 ip as the cert is valid for all listed domain names. Typical limit by most issuers are 100 SANs (inclusive).
Should you accept all SSL certificates?
Yes, it means that it will accept all (as in, regardless of issuer) SSL certificates, even if they are from an untrusted Certificate Authority. You could use this if you didn’t care who your messages were going to but wanted them secure.
Can we use same certificate on multiple servers?
It depends on the CA and the certificate license. To install the same certificate on multiple servers, first install the certificate files to the server where the CSR was originally generated. Then import the files (along with the private key) to the respective servers.
Is there a limit to the validity of a SSL certificate?
However, a compromise was ultimately struck that led to certificate validity being reduced to a maximum of three years, and then later, it was capped at two years for all SSL/TLS leaf certs. Last year, Google’s Ryan Sleevi introduced a ballot at the CA/B Forum that pushed for a maximum one-year validity for SSL/TLS certificates.
What kind of SSL certificate do I need for multiple domains?
What is a Multi Domain SSL Certificate? 1 SANs. That’s right, you may have heard of SAN certificates. 2 UCCs. Confused yet? 3 Multi Domain Wildcards. Oh, and we haven’t even talked about multi domain wildcard SSL certificates yet… Those are SSL certificates that cover multiple domains and an unlimited number of subdomains.
Why do I need a SSL certificate for my website?
SSL certificates only secure the connection between your web server and client browsers, so you’ll need to employ good security practices on your server if you’ll be storing sensitive data. How to do so, and whether cloud-based web hosting is secure, is out of the scope for this question, but a worthwhile consideration in that case.
When do SSL certificates need to be replaced?
Essentially, any SSL/TLS certificates issued prior to Sept. 1, 2020 are not affected by this change. They’ll remain valid (barring any unrelated certificate revocations) for the entire two-year period and won’t need to be modified or replaced.