Added handling of all missing routes with custom 404 page.

Teknik/App_Start/RouteConfig.cs

@@ -8,6 +8,16 @@ namespace Teknik
         public static void RegisterRoutes(RouteCollection routes)
         {
             routes.IgnoreRoute("{resource}.axd/{*pathInfo}");
+
+            // Add this code to handle non-existing urls
+            routes.MapRoute(
+                name: "404-PageNotFound",
+                // This will handle any non-existing urls
+                url: "{*url}",
+                // "Shared" is the name of your error controller, and "Error" is the action/page
+                // that handles all your custom errors
+                defaults: new { controller = "Default", action = "NotFound" }
+            );
         }
     }
 }

Teknik/App_Start/SubdomainRouteExtension.cs

@@ -91,6 +91,21 @@ namespace Teknik
             return route;
         }
 
+        public static SubdomainRoute MapSubdomainRoute(this AreaRegistrationContext context, string name, List<string> subDomains, List<string> domains, string url, object defaults, object constraints, string[] namespaces)
+        {
+            SubdomainRoute route = new SubdomainRoute(
+                subDomains,
+                domains,
+                url,
+                new RouteValueDictionary(defaults),
+                new RouteValueDictionary(constraints),
+                new RouteValueDictionary(new { Area = context.AreaName, Namespaces = namespaces }),
+                new MvcRouteHandler());
+
+            context.Routes.Add(name, route);
+            return route;
+        }
+
         public static SubdomainRoute MapSubdomainRoute(this AreaRegistrationContext context, string name, List<string> subDomains, List<string> domains, string url, string area, object defaults)
         {
             SubdomainRoute route = new SubdomainRoute(

Teknik/Areas/Home/HomeAreaRegistration.cs

@@ -42,6 +42,17 @@ namespace Teknik.Areas.Home
                  new[] { typeof(DefaultController).Namespace }
              );
 
+            // Register fallback for all bad requests
+            context.MapSubdomainRoute(
+                 "Default.NotFound", // Route name
+                 new List<string>() { "*" }, // Subdomains
+                 new List<string>() { config.Host }, // domains
+                 "{url}",    // URL with parameters 
+                 new { controller = "Default", action = "NotFound" },  // Parameter defaults 
+                 new { url = "{*url}" },
+                 new[] { typeof(DefaultController).Namespace }
+             );
+
             context.MapSubdomainRoute(
                  "Home.Index", // Route name
                  new List<string>() { "www", string.Empty }, // Subdomains

Teknik/Areas/Home/Views/Home/Index.cshtml

@@ -29,7 +29,7 @@
     <br />
     <div class="row text-center">
         <h2>
-            Teknik is dedicated to the advancement of technology and ideas, and we provide these services to help those who try to innovate.
+            We provide these services to help those who try to innovate.
         </h2>
     </div>
 </div>

Teknik/Controllers/DefaultController.cs

@@ -65,6 +65,18 @@ namespace Teknik.Controllers
             string imageFile = Server.MapPath(Constants.LOGO_PATH);
             return File(imageFile, "image/svg+xml");
         }
+
+        [HttpGet]
+        [AllowAnonymous]
+        public ActionResult NotFound()
+        {
+            var errorController = new ErrorController();
+            if (errorController != null)
+            {
+                return errorController.Http404(new Exception("Page Not Found"));
+            }
+            return null;
+        }
     }
 
     [AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]

Teknik/Web.config

@@ -37,11 +37,11 @@
       <forms domain=".teknik.io" protection="All" enableCrossAppRedirects="true" name="TeknikAuth" />
     </authentication>
     <compilation debug="true" targetFramework="4.6.2" />
-    <httpRuntime targetFramework="4.5.2" maxRequestLength="1048576" executionTimeout="3600" />
+    <httpRuntime targetFramework="4.5.2" maxRequestLength="1048576" executionTimeout="3600" relaxedUrlToFileSystemMapping="true" />
     <pages buffer="true" enableViewState="false" />
   </system.web>
   <system.webServer>
-    <modules>
+    <modules runAllManagedModulesForAllRequests="true">
       <remove name="FormsAuthentication" />
       <add name="FormsAuthentication" type="System.Web.Security.FormsAuthenticationModule" />
       <add name="PerfModule" type="Teknik.Modules.PerformanceMonitorModule, Teknik" />