diff --git a/demo-shell/src/app.config.json b/demo-shell/src/app.config.json
index 3f86aad399..9d565103eb 100644
--- a/demo-shell/src/app.config.json
+++ b/demo-shell/src/app.config.json
@@ -21,7 +21,8 @@
     "silentLogin": true,
     "redirectSilentIframeUri": "{protocol}//{hostname}{:port}/assets/silent-refresh.html",
     "redirectUri": "/",
-    "redirectUriLogout": "/logout"
+    "redirectUriLogout": "/logout",
+    "publicUrls": ["**/preview/s/*", "**/settings"]
   },
   "application": {
     "storagePrefix": "ADF",
diff --git a/lib/core/app-config/schema.json b/lib/core/app-config/schema.json
index c2ffdb7912..31acf70b75 100644
--- a/lib/core/app-config/schema.json
+++ b/lib/core/app-config/schema.json
@@ -969,6 +969,12 @@
         "redirectUriLogout": {
           "type": "string"
         },
+        "publicUrls": {
+          "type": "array",
+          "items": {
+            "type": "string"
+          }
+        },
         "scope": {
           "type": "string"
         }
diff --git a/lib/core/models/oauth-config.model.ts b/lib/core/models/oauth-config.model.ts
index beef6642f3..0b24459a77 100644
--- a/lib/core/models/oauth-config.model.ts
+++ b/lib/core/models/oauth-config.model.ts
@@ -24,4 +24,5 @@ export interface OauthConfigModel {
     silentLogin?: boolean;
     secret?: string;
     redirectUriLogout?: string;
+    publicUrls: string[];
 }