: Can I use the same SSL cert for HTTPS and FTPS I am looking to get an extended SSL certificate for a server that is handling one of my subdomains. Can I use the same certificate for https://sub.example.com
I am looking to get an extended SSL certificate for a server that is handling one of my subdomains. Can I use the same certificate for sub.example.com and ftps://sub.example.com, assuming that that they both resolve to the same ip on the same box?
Windows 2008 R2
Apache 2.2.12 w/ OpenSSL/1.0.0e
FileZilla Server 0.9.39 beta
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An SSL certificate does not specify an IP, a protocol or a server.
SSL cerificates are, however, tied to a specific (sub)domain.
So yes, you can use the same certificate for both, even if you decide to host website and FTP server on two different locations.
Some certificates even allow you to change the subdomain (so called wildcard certificates), but they're too expensive for most purposes.
Yes, SSL certificates are not tied to a specific TCP port, so this shouldn't be a problem. Only the CN of the certificate has to match the DNS host name of your server.
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