Introduction
The article, ‘Solving Information Leakage with Gloo Gateway and Envoy ExtProc Filter: Step-by-Step Guide,’ discusses how the Envoy ExtProc filter, combined with the Gloo Gateway, can be used to address information leakage issues in Kubernetes environments.
The Problem
Information leakage poses significant security risks by exposing sensitive data unintentionally. This issue is particularly critical in cloud-native environments where microservices architecture is prevalent.
The Solution
The author introduces the Envoy ExtProc filter and describes how it can be effectively integrated with the Gloo Gateway to mitigate information leakage. The solution leverages the Kubernetes Gateway API.
Why Envoy ExtProc Filter?
Envoy ExtProc Filter allows custom processing of HTTP requests and responses. This flexibility makes it ideal for applying additional security measures.
Setting Up Gloo Gateway
Initial steps involve setting up the Gloo Gateway in your Kubernetes environment. This setup is crucial as it serves as the foundation for integrating the Envoy ExtProc filter.
Integrating Envoy ExtProc Filter
Next, the article walks through the steps to integrate the ExtProc filter into the Gloo Gateway. Code snippets and detailed configurations are provided.
Configuring the Filter
Specific configurations are key to ensuring that sensitive information is scrubbed from HTTP responses. The article provides a guide on which parameters to use.
Testing the Solution
After setup, testing is essential to ensure the filter effectively removes sensitive information. Methods for testing are discussed.
Conclusion
The author concludes by reiterating the importance of securing microservices and how the Envoy ExtProc filter, combined with the Gloo Gateway, offers a robust solution for information leakage. The step-by-step guide equips users to implement these security measures effectively.
View the original article here: https://www.solo.io/blog/solving-an-information-leakage-problem-with-the-envoy-extproc-filter-and-kube-gateway-api/
