From ce413dc20c4972fc8549c1b1f9c60d835c4744dd Mon Sep 17 00:00:00 2001
From: David Gwilliam <dhgwilliam@gmail.com>
Date: Fri, 13 Feb 2026 20:21:11 -0800
Subject: [PATCH] snapshot

---
 doorbell-touch.ino | 47 ++++++++++++++++++++++++++++++++++------------
 1 file changed, 35 insertions(+), 12 deletions(-)

diff --git a/doorbell-touch.ino b/doorbell-touch.ino
index e8525e8..abfea3f 100644
--- a/doorbell-touch.ino
+++ b/doorbell-touch.ino
@@ -31,7 +31,8 @@
 struct WiFiCred { const char *ssid; const char *pass; };
 WiFiCred wifiNetworks[] = {
   { "Dobro Veče",   "goodnight"     },
-  { "iot-2GHz",  "lesson-greater"     },
+  { "berylpunk",   "dhgwilliam"     },
+  // { "iot-2GHz",  "lesson-greater"     },
 };
 const int NUM_WIFI = sizeof(wifiNetworks) / sizeof(wifiNetworks[0]);
 WiFiMulti wifiMulti;
@@ -447,23 +448,45 @@ void parseMessages(String &response, const char *topicName,
 bool networkOK = false;
 
 void checkNetwork() {
-  Serial.printf("[NET] WiFi: %s  RSSI: %d  IP: %s  GW: %s  DNS: %s\n",
-    WiFi.SSID().c_str(),
-    WiFi.RSSI(),
-    WiFi.localIP().toString().c_str(),
-    WiFi.gatewayIP().toString().c_str(),
-    WiFi.dnsIP().toString().c_str());
+  Serial.printf("[NET] WiFi: %s  RSSI: %d  IP: %s\n",
+    WiFi.SSID().c_str(), WiFi.RSSI(), WiFi.localIP().toString().c_str());
+  Serial.printf("[NET] GW: %s  DNS: %s\n",
+    WiFi.gatewayIP().toString().c_str(), WiFi.dnsIP().toString().c_str());
   Serial.flush();
 
-  // Test DNS resolution
+  // Test DNS
   IPAddress ip;
-  if (WiFi.hostByName("ntfy.sh", ip)) {
-    Serial.printf("[NET] ntfy.sh resolved to %s\n", ip.toString().c_str());
+  if (!WiFi.hostByName("ntfy.sh", ip)) {
+    Serial.println("[NET] *** DNS FAILED ***");
+    networkOK = false;
+    return;
+  }
+  Serial.printf("[NET] ntfy.sh -> %s\n", ip.toString().c_str());
+
+  // Test TCP connectivity on port 80
+  WiFiClient testClient;
+  Serial.println("[NET] Testing TCP to ntfy.sh:80...");
+  Serial.flush();
+  if (testClient.connect("ntfy.sh", 80, 5000)) {
+    Serial.println("[NET] TCP port 80 OK!");
+    testClient.stop();
     networkOK = true;
   } else {
-    Serial.println("[NET] *** DNS FAILED for ntfy.sh ***");
-    networkOK = false;
+    Serial.println("[NET] *** TCP port 80 BLOCKED ***");
   }
+
+  // Test TCP connectivity on port 443
+  WiFiClient testClient2;
+  Serial.println("[NET] Testing TCP to ntfy.sh:443...");
+  Serial.flush();
+  if (testClient2.connect("ntfy.sh", 443, 5000)) {
+    Serial.println("[NET] TCP port 443 OK!");
+    testClient2.stop();
+    networkOK = true;
+  } else {
+    Serial.println("[NET] *** TCP port 443 BLOCKED ***");
+  }
+
   Serial.flush();
 }