Update application-gateway-configure-listener-specific-ssl-policy.md

Author: jaesoni

articles/application-gateway/application-gateway-configure-listener-specific-ssl-policy.md

@@ -14,6 +14,9 @@ ms.author: mbender
 
 This article describes how to use the Azure portal to configure listener-specific SSL policies on your Application Gateway. Listener-specific SSL policies allow you to configure specific listeners to use different SSL policies from each other. You'll still be able to set a default SSL policy that all listeners will use unless overwritten by the listener-specific SSL policy. 
 
+> [!IMPORTANT]
+> Starting **August 31, 2025**, all clients and backend servers interacting with Azure Application Gateway must use Transport Layer Security (TLS) 1.2 or higher, as [support for TLS 1.0 and 1.1 will be discontinued](https://azure.microsoft.com/updates/azure-application-gateway-support-for-tls-10-and-tls-11-will-end-by-31-august-2025).
+
 > [!NOTE]
 > Only Standard_v2 and WAF_v2 SKUs support listener specific policies as listener specific policies are part of SSL profiles, and SSL profiles are only supported on v2 gateways.