Basic Governors access is that it exposes HTTP and HTTPS routes from outside the cluster to services created within the cluster. Ingress mainly seeks to implement rules to manage traffic routes. Typically, access is set to provide services for externally accessible URLs, load balance traffic, to provide name-based virtual host and terminal secure socket layers, or transport layer protection. It is also important to note that access does not reveal all ports, only HTTP and HTTPS.

We need to resolve the big issues surrounding the intrusion of the Kubernetes. From where it is, what types there are and what the rules are, you will get a better idea of ​​the intrusion.

What is an intrusion resource?

Because ingress is a resource that uses a collection of rules and configurations to route external HTTP traffic to internal servers, the input resource works as a way to use apiVersion, kind, and metadata to work properly. This allows you to specify an entry to configure the entrance controller. Inside the spec section is a load balancer or proxy.

What are the types of access?

There are three types of intrusion.

  1. One service:
    One service reveals another individual service. NodePort would be a good example of a single service access.
  2. Simple fanout:
    A simple fanout routes traffic from a single IP address to many URI-based services.
  3. Name-based virtual server:
    The last input type directs traffic to many hostnames with the same IP address.

What are the rules?

Prerequisite Admission to the Governor the resource is that the cluster must have a running input controller. Ingress has a set of rules that are used to handle incoming traffic to cluster services. First, above all, you need to determine how this rule will be applied. You can use HTTP / HTTPS or host-based rules. Second, you need to specify the path and background service port to which you plan to route. It is important to note that both the host and the path must respond to the request before the load balancer directs traffic to the referenced service. If you choose not to define a rule, you may get all traffic returned to the default access point specified in the input controller. It is safe to say that this is not an ideal situation.

What about security?

No explanation for the Kubernetes intrusion is complete without discussing transport level security or TLS. Intrusion is easy to secure. Start by setting the secret with a private key and certificate. Then check the load balance. The intrusion controller should have some load balancing policies. The two most common are the load balancing algorithm and the background weight system. If you want input resources to work securely, you must ensure that the input controller is running. Unlike typical Kubernetes controllers, the input controller is separate from the cluster and must be deployed alone.

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