Issue

• How do I use the CloudBees Request Filter Plugin?

Environment

• CloudBees Core on modern cloud platforms - Managed Master
• CloudBees Core on modern cloud platforms - Operations Center
• CloudBees Core on traditional platforms - Client Master
• CloudBees Core on traditional platforms - Operations Center
• CloudBees Jenkins Enterprise - Managed Master
• CloudBees Jenkins Enterprise - Operations Center
• CloudBees Jenkins Platform - Client Master
• CloudBees Jenkins Platform - Operations Center
• CloudBees Jenkins Distribution
• Jenkins LTS
• CloudBees Request Filter Plugin

Resolution

Go to Manage Jenkins -> Configure System

Scroll down to Request Filtering and click on the “ADD” button.

From there, the built in help will guide you through the rest of the process. Rules are based of regular expressions.

Filtered Requests Response

When a user tries to access a blocked API endpoint, the server responds with an error 503 and the message This kind of request is currently being blocked by an administrator