'Improving Security in your Microservices Architecture with Istio' infrastructure devops
For our fintech development team, we actively use the microservice approach. Security of inter-service interaction is essential for us.
And, while there are many open libraries available to implement these functions directly in the service code, Istio allows you to achieve the same results without adding anything to the service itself.Istio is growing by leaps and bounds, which is very visible in practice. There are times when you recall exactly how you configured some functionality, but there is already a manual with a description of the configuration of completely different, new objects on the official website.
Let's see in practice how the sidecar captures incoming and outgoing traffic from the container. To do this, let's take a look at the network space of a pod with an added Istio sidecar in more detail.It’s easy to run Kubernetes locally usingcurl -Lo minikube https://storage.googleapis.
To view the iptables rules configured in the pod namespace, use the nsenter utility. To do this, we need to find out the pid of the container process:We can now examine the iptables rules that have been configured in this container. If the verification is successful, the client proxy encrypts the traffic and sends it to the server proxy.
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