This article contains details as to how you would protect servers from directory traversal vulnerability.
- Login to WHM
- Navigate to (Home »Security Center »ModSecurity™ Vendors »Manage Vendors)
- Click install Install to the right of the OWASP vendor
You can find more details in the below articles for installing Mod Security vendor rules and testing directory traversal protection is working.
How to enable ModSecurity vendor rules
How to test ModSecurity for the OWASP vendor