Monthly Archives: April 2021

Implement rate limiting with Istio on Azure Kubernetes Service

In my last blog post I walked you through the setup of the rate limiting reference implementation: The Envoy Proxy ratelimit service. -> https://www.danielstechblog.io/run-the-envoy-proxy-ratelimit-service-for-istio-on-aks-with-azure-cache-for-redis/ Our today’s topic is about connecting the Istio ingress gateway to the ratelimit service. The first step for us is the Istio documentation. -> Read more [...]

Detecting SNAT port exhaustion on Azure Kubernetes Service

Running applications on an Azure Kubernetes Service cluster which make a lot of outbound calls might led to a SNAT port exhaustion. In today’s blog article I walk you through how to detect and mitigate a SNAT port exhaustion on AKS. What is a SNAT port exhaustion? It is important to know what a SNAT port exhaustion is to apply the correct mitigation. SNAT, Source Network Address Translation, Read more [...]