Question : Can SSH use certificates from  a trusted CA?

When I read about CAs certificates they seem to only talk about http websites, they do not mention SSH. My question is if I get a certificate from a Certification Authority, will it also allow the validation of an SSH connection.

I am using SSH (specifically openSSH) to host SFTP transfers to my site. At the moment it uses a self signed certificate which means my users have to manually accept the certificate upon first use.

I am about to install a wildcard certificate from a trusted CA onto my apache website (https).  Will this also handle my SFTP transfers (once its configured of course)?

Answer : Can SSH use certificates from  a trusted CA?

My advice would to be use ssh public keys rather than certs unless you absolutely have a burning need to use certs.

As the X.509 support is only available via a patch (in openssh at least), you can never be sure if the patches will be maintained with newer versions of openssh.