From 7007fdb327ded4e1ba20e4bb5b60069fdb3f0af2 Mon Sep 17 00:00:00 2001
From: raomin <4460208+raomin@users.noreply.github.com>
Date: Thu, 13 Jul 2023 19:04:16 +0200
Subject: [PATCH] Limited redirect

---
 WiFiManager.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/WiFiManager.cpp b/WiFiManager.cpp
index 7ae05b0ac..1f58982c6 100644
--- a/WiFiManager.cpp
+++ b/WiFiManager.cpp
@@ -2420,6 +2420,15 @@ boolean WiFiManager::captivePortal() {
   bool doredirect = serverLoc != server->hostHeader(); // redirect if hostheader not server ip, prevent redirect loops
   // doredirect = !isIp(server->hostHeader()) // old check
   
+  //Only redirect the portal detection requests. Avoids overload.
+  doredirect = doredirect 
+                && (server->hostHeader().indexOf("connect")>=0
+                    || server->hostHeader().indexOf("msft")>=0
+                    || server->hostHeader().indexOf("apple")>=0
+                    || server->uri().startsWith("/gen")
+                    || server->uri().indexOf("hostpot")>=0
+                );
+
   if (doredirect) {
     #ifdef WM_DEBUG_LEVEL
     DEBUG_WM(DEBUG_VERBOSE,F("<- Request redirected to captive portal"));