Here is the explanation for FIPS 140-2 in Wikipedia: http://en.wikipedia.org/wiki/FIPS_140-2
How to enable it? See here: http://www.wftpserver.com/help/ftpserve ... aneous.htm
, you just need to enable "FIPS 140-2 Mode", and after enabling it, all the SSL certificates need to be generated again.
Only have an option "Disable SSLv2", I think it will be secure enough, because modern FTP client software will support secure ciphers, so you don't need to worry about this.