To prevent POODLE (“Padding Oracle On Downgraded Legacy Encryption”) attach which is a man-in-the-middle exploit that takes advantage of SSL3.0 vulnerability it is necessary to disable SSLv3 in your web server configuration.
To check if you are vulnerable to this attack you can use the form on following website:
https://www.digicert.com/help/
Please open following file in your favorite editor and edit it:
/etc/apache2/mods-available/ssl.conf
change the line:
SSLProtocol all -SSLv2
to:
SSLProtocol all -SSLv2 -SSLv3
then restart your Apache with:
/etc/init.d/apache2 restart
or
apachectl -k restart
Then use the site to check again if you have configured everything correctly.