Allowlist IPs + LoadBalancer

Question

Hello,

I have a load balancer with a listener (443) forwarding requests - using 19 rules - to 19 microservices (path based).

One of my services is receiving webhooks from a platform which provides 4 public IPs to be allow.

How can I allow only requests from those IPs to be forwarded to microservice through this specific route?

Thanks,

Answer

Add another condition of type Source IP (in addition to the existing Path condition) to the rule that forwards traffic to this specific microservice

Answer

For your scenario, configure your load balancer to only forward requests from the specified IP addresses to the microservice by adding a conditional rule that checks the source IP address against the provided list of IPs.

Allowlist IPs + LoadBalancer

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