Here you can find Config examples to securing your Webserver, FTP or SSH:

  * https://cipherli.st/
  * https://weakdh.org/sysadmin.html

To Check your current config:

  * https://www.ssllabs.com/ssltest/
  * https://ssldecoder.org
  * https://tls.imirhil.fr/
  * https://observatory.mozilla.org/
  * https://www.scanmyserver.com/