Firewall rules allow unrestricted access to Azure Redis Cache from other Azure sources, this may weaken infrastructure security.
In Azure Console -
In Terraform -
References:
https://learn.microsoft.com/en-us/azure/azure-cache-for-redis/
https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/redis_cache
https://registry.terraform.io/providers/hashicorp/azurerm/latest/docs/resources/redis_firewall_rule