updated east-west anchor link

Replaces link to previous east-west anchor link which no longer exists to closest approximate on the page.

Author: jolleymd

articles/firewall/overview.md

@@ -13,7 +13,7 @@ ms.date: 02/26/2024
 
 # What is Azure Firewall?
 
-Azure Firewall is a cloud-native and intelligent network firewall security service that provides the best of breed threat protection for your cloud workloads running in Azure. It's a fully stateful firewall as a service with built-in high availability and unrestricted cloud scalability. It provides both east-west and north-south traffic inspection. To learn what's east-west and north-south traffic, see [East-west and north-south traffic](/azure/architecture/framework/security/design-network-flow#east-west-and-north-south-traffic).
+Azure Firewall is a cloud-native and intelligent network firewall security service that provides the best of breed threat protection for your cloud workloads running in Azure. It's a fully stateful firewall as a service with built-in high availability and unrestricted cloud scalability. It provides both east-west and north-south traffic inspection. To learn what's east-west and north-south traffic, see [East-west and north-south traffic](/azure/well-architected/security/networking#scope-of-influence).
 
 Azure Firewall is offered in three SKUs: Standard, Premium, and Basic.