I saw this but only in for one certificate, everything else was fine. We ended up reissuing the certificate from a different provider and it was fine. Not sure what would cause that but maybe 15.3.1 doesnt support some specific certs?

ivodlouhy do you know if a change to OpenSSL in 15.3.1 may be the reason for this error with specific certs?

Upgrade of OpenSSL touched security settings of most parts of Serv-U.

There is high chance, that old certificate - especially signed with low encryption methods may not be accepted anymore.

Your way to get a new and secure certificate is one of the best options you could do.

Upgrade of OpenSSL touched security settings of most parts of Serv-U.

There is high chance, that old certificate - especially signed with low encryption methods may not be accepted anymore.

Your way to get a new and secure certificate is one of the best options you could do.