fix links

Author: cachai2

articles/container-apps/TOC.yml

@@ -386,9 +386,9 @@
     - name: Virtual network configuration
       href: custom-virtual-networks.md
     - name: Managing outbound connections with Azure Firewall
-      href: using-azure-firewall.md
+      href: use-azure-firewall.md
     - name: Private endpoints and DNS
-      href: dns.md
+      href: private-endpoints-and-dns.md
     - name: Securing a custom VNET with an NSG
       href: firewall-integration.md
     - name: Tutorials

articles/container-apps/custom-domains-certificates.md

@@ -114,7 +114,7 @@ Azure Container Apps allows you to bind one or more custom domains to a containe
 1. Once the operation is complete, you see your domain name in the list of custom domains with a status of *Secured*. Navigate to your domain to verify that it's accessible.
 
 > [!NOTE]
-> For container apps in internal Container Apps environments, [extra configuration](./dns.md) is required to use custom domains with VNET-scope ingress.
+> For container apps in internal Container Apps environments, [extra configuration](./private-endpoints-and-dns.md) is required to use custom domains with VNET-scope ingress.
 
 ::: zone-end
 

articles/container-apps/custom-virtual-networks.md

@@ -165,4 +165,4 @@ In addition to the standard [Azure Container Apps billing](./billing.md), you're
 ## Next steps
 
 > [!div class="nextstepaction"]
-> [Managing outbound connections with Azure Firewall](using-azure-firewall.md)
+> [Managing outbound connections with Azure Firewall](use-azure-firewall.md)