As with any security measure taken, there is an initial period of fine-tuning needed. It's important to know the exact changes before implementing Secure Server PLUS on your environment.Server Secure PLUS adjust core control panel configurations, ModSecurity, and SpamAssassin settings and could temporarily block false-malicious traffic or emails from your server. If you have security plugins or modules enabled you may tentatively receive false notifications of intrusions resulting from the Vulnerability Assessment Scanner. Automated and default processes for logging in via logging in via the control panel, SFTP, SSH may have to be updated to work with Secure Server PLUS configurations. Lastly, any custom scripts executing binaries in the temp directory may need to edited to run in another directory.