diff --git a/ServeMeLib/ServeMe.cs b/ServeMeLib/ServeMe.cs
index ee9d982..a05fcd8 100644
--- a/ServeMeLib/ServeMe.cs
+++ b/ServeMeLib/ServeMe.cs
@@ -394,7 +394,7 @@ internal string CanOpenDefaultBrowserOnStart(string root)
         }
 
         //https://stackoverflow.com/questions/570098/in-c-how-to-check-if-a-tcp-port-is-available
-        internal bool PortInUse(int port)
+        internal bool PortNotInUse(int port)
         {
             bool isAvailable = true;
             IPGlobalProperties ipGlobalProperties = IPGlobalProperties.GetIPGlobalProperties();
@@ -433,7 +433,7 @@ internal List<List<string>> GetVariablesFromSettings()
             if (this.ExtractFromSettings("app sslport", out data) == 2)
             {
                 int port = int.Parse(data[1]);
-                if (this.PortInUse(port))
+                if (!this.PortNotInUse(port))
                     throw new Exception($"Ssl Port {port} in setting is in use");
                 return port;
             }
@@ -446,7 +446,7 @@ internal List<List<string>> GetVariablesFromSettings()
             if (this.ExtractFromSettings("app port", out data) == 2)
             {
                 int port = int.Parse(data[1]);
-                if (this.PortInUse(port))
+                if (!this.PortNotInUse(port))
                     throw new Exception($"Port {port} in setting is in use");
                 return port;
             }
diff --git a/ServeMeLib/SimpleHttpServer.cs b/ServeMeLib/SimpleHttpServer.cs
index 5feb0ca..1d2201c 100644
--- a/ServeMeLib/SimpleHttpServer.cs
+++ b/ServeMeLib/SimpleHttpServer.cs
@@ -145,11 +145,11 @@ public SimpleHttpServer(ServeMe serveMe, int? port = null, int? portHttps = null
             }
            if (portHttps == null)
            {
-                var allowableHttpsPortsByVisualStudio = Enumerable.Range(44300, 33399).ToList();
+                var allowableHttpsPortsByVisualStudio = Enumerable.Range(44300, 44399).ToList();
 
                 for (int i = 0; i < allowableHttpsPortsByVisualStudio.Count; i++)
                 {
-                  if (!serveMe.PortInUse(allowableHttpsPortsByVisualStudio[i]))
+                  if (serveMe.PortNotInUse(allowableHttpsPortsByVisualStudio[i]))
                     {
                        portHttps = allowableHttpsPortsByVisualStudio[i];
                        serveMe.Log($"Yay! Found https port {portHttps} to use ....");