From 0099ce913429ce59047d5276c92bf96209ca8589 Mon Sep 17 00:00:00 2001 From: magakman <77816356+magakman@users.noreply.github.com> Date: Fri, 22 Aug 2025 13:21:15 -0500 Subject: [PATCH] Update waf-javascript-challenge.md Updated the limitations on the post body size due to differences between Azure front door and Application Gateway --- articles/web-application-firewall/waf-javascript-challenge.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/articles/web-application-firewall/waf-javascript-challenge.md b/articles/web-application-firewall/waf-javascript-challenge.md index 1ac83e49e0bfa..c4ab93d91e05e 100644 --- a/articles/web-application-firewall/waf-javascript-challenge.md +++ b/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.