diff --git a/web/pages/config-chat.tsx b/web/pages/config-chat.tsx
index 3c1c9acae..029b52116 100644
--- a/web/pages/config-chat.tsx
+++ b/web/pages/config-chat.tsx
@@ -16,6 +16,7 @@ import {
   API_CHAT_FORBIDDEN_USERNAMES,
   API_CHAT_SUGGESTED_USERNAMES,
   FIELD_PROPS_CHAT_JOIN_MESSAGES_ENABLED,
+  CHAT_ESTABLISHED_USER_MODE,
   FIELD_PROPS_DISABLE_CHAT,
   postConfigUpdateToAPI,
   RESET_TIMEOUT,
@@ -39,6 +40,7 @@ export default function ConfigChat() {
     forbiddenUsernames,
     instanceDetails,
     suggestedUsernames,
+    chatEstablishedUserMode,
   } = serverConfig;
   const { welcomeMessage } = instanceDetails;
 
@@ -57,6 +59,10 @@ export default function ConfigChat() {
     handleFieldChange({ fieldName: 'chatJoinMessagesEnabled', value: enabled });
   }
 
+  function handleEstablishedUserModeChange(enabled: boolean) {
+    handleFieldChange({ fieldName: 'chatEstablishedUserMode', value: enabled });
+  }
+
   function resetForbiddenUsernameState() {
     setForbiddenUsernameSaveState(null);
   }
@@ -146,6 +152,7 @@ export default function ConfigChat() {
       forbiddenUsernames,
       suggestedUsernames,
       welcomeMessage,
+      chatEstablishedUserMode,
     });
   }, [serverConfig]);
 
@@ -170,6 +177,12 @@ export default function ConfigChat() {
           checked={formDataValues.chatJoinMessagesEnabled}
           onChange={handleChatJoinMessagesEnabledChange}
         />
+        <ToggleSwitch
+          fieldName="establishedUserMode"
+          {...CHAT_ESTABLISHED_USER_MODE}
+          checked={formDataValues.chatEstablishedUserMode}
+          onChange={handleEstablishedUserModeChange}
+        />
         <TextFieldWithSubmit
           fieldName="welcomeMessage"
           {...TEXTFIELD_PROPS_SERVER_WELCOME_MESSAGE}
diff --git a/web/types/config-section.ts b/web/types/config-section.ts
index 1ba71d62a..87a0f2199 100644
--- a/web/types/config-section.ts
+++ b/web/types/config-section.ts
@@ -115,5 +115,6 @@ export interface ConfigDetails {
   suggestedUsernames: string[];
   chatDisabled: boolean;
   chatJoinMessagesEnabled: boolean;
+  chatEstablishedUserMode: boolean;
   federation: Federation;
 }
diff --git a/web/utils/config-constants.tsx b/web/utils/config-constants.tsx
index 14ea2677b..c9f4c4d07 100644
--- a/web/utils/config-constants.tsx
+++ b/web/utils/config-constants.tsx
@@ -31,6 +31,7 @@ export const API_WEB_PORT = '/webserverport';
 export const API_YP_SWITCH = '/directoryenabled';
 export const API_CHAT_DISABLE = '/chat/disable';
 export const API_CHAT_JOIN_MESSAGES_ENABLED = '/chat/joinmessagesenabled';
+export const API_CHAT_ESTABLISHED_MODE = '/chat/establishedusermode';
 export const API_CHAT_FORBIDDEN_USERNAMES = '/chat/forbiddenusernames';
 export const API_CHAT_SUGGESTED_USERNAMES = '/chat/suggestedusernames';
 export const API_EXTERNAL_ACTIONS = '/externalactions';
@@ -212,6 +213,13 @@ export const FIELD_PROPS_CHAT_JOIN_MESSAGES_ENABLED = {
   configPath: '',
   label: 'Join Messages',
   tip: 'Show when a viewer joins the chat.',
+};
+
+export const CHAT_ESTABLISHED_USER_MODE = {
+  apiPath: API_CHAT_ESTABLISHED_MODE,
+  configPath: '',
+  label: 'Established users only',
+  tip: 'Only users who have previously been established for some time may chat.',
   useSubmit: true,
 };
 
diff --git a/web/utils/server-status-context.tsx b/web/utils/server-status-context.tsx
index 16bb30c62..81d580fe9 100644
--- a/web/utils/server-status-context.tsx
+++ b/web/utils/server-status-context.tsx
@@ -61,6 +61,7 @@ export const initialServerConfigState: ConfigDetails = {
   suggestedUsernames: [],
   chatDisabled: false,
   chatJoinMessagesEnabled: true,
+  chatEstablishedUserMode: false,
 };
 
 const initialServerStatusState = {