Merge pull request #127536 from magakman/patch-2

Update waf-javascript-challenge.md

Author: v-regandowner

articles/web-application-firewall/waf-javascript-challenge.md

@@ -46,7 +46,7 @@ The WAF policy setting defines the JavaScript challenge cookie validity lifetime
 
 - **AJAX and API calls aren't supported**: JavaScript challenge doesn't apply to AJAX and API requests.
 
-- **POST body size restriction**: The first request that triggers a JavaScript challenge is blocked if its POST body exceeds 128 KB.
+- **POST body size restriction**: The first request that triggers a JavaScript challenge is blocked if its POST body exceeds 64 KB on Azure Front Door and 128 KB on Azure Application Gateway.
 
 - **Non-HTML embedded resources**: JavaScript challenge is designed for HTML resources. Challenges for non-HTML resources embedded in a page, such as images, CSS, JavaScript files, or similar resources, aren't supported. However, if there was a prior successful JavaScript challenge request, those limitations are lifted.