diff --git a/apps/client/src/features/app-settings/panel/general-panel/GeneralPanelForm.tsx b/apps/client/src/features/app-settings/panel/general-panel/GeneralPanelForm.tsx
index 76715a38a..47fca788c 100644
--- a/apps/client/src/features/app-settings/panel/general-panel/GeneralPanelForm.tsx
+++ b/apps/client/src/features/app-settings/panel/general-panel/GeneralPanelForm.tsx
@@ -8,6 +8,7 @@ import { maybeAxiosError } from '../../../../common/api/utils';
 import useSettings from '../../../../common/hooks-query/useSettings';
 import { preventEscape } from '../../../../common/utils/keyEvent';
 import { isOnlyNumbers } from '../../../../common/utils/regex';
+import { isOntimeCloud } from '../../../../externals';
 import * as Panel from '../../panel-utils/PanelUtils';
 
 import GeneralPinInput from './GeneralPinInput';
@@ -25,6 +26,7 @@ export default function GeneralPanelForm() {
     setError,
     formState: { isSubmitting, isDirty, isValid, errors },
   } = useForm<Settings>({
+    mode: 'onChange',
     defaultValues: data,
     values: data,
     resetOptions: {
@@ -94,7 +96,11 @@ export default function GeneralPanelForm() {
             <Panel.ListItem>
               <Panel.Field
                 title='Ontime server port'
-                description='Port ontime server listens in. Defaults to 4001 (needs app restart)'
+                description={
+                  isOntimeCloud
+                    ? 'Server port disabled for Ontime Cloud'
+                    : 'Port ontime server listens in. Defaults to 4001 (needs app restart)'
+                }
                 error={errors.serverPort?.message}
               />
               <Input
@@ -104,6 +110,7 @@ export default function GeneralPanelForm() {
                 variant='ontime-filled'
                 maxLength={5}
                 width='75px'
+                isDisabled={isOntimeCloud}
                 {...register('serverPort', {
                   required: { value: true, message: 'Required field' },
                   max: { value: 65535, message: 'Port must be within range 1024 - 65535' },
diff --git a/apps/client/src/features/app-settings/panel/general-panel/GeneralPinInput.tsx b/apps/client/src/features/app-settings/panel/general-panel/GeneralPinInput.tsx
index 8d5800f1d..0bc90cfce 100644
--- a/apps/client/src/features/app-settings/panel/general-panel/GeneralPinInput.tsx
+++ b/apps/client/src/features/app-settings/panel/general-panel/GeneralPinInput.tsx
@@ -4,6 +4,8 @@ import { IconButton, Input, InputGroup, InputRightElement } from '@chakra-ui/rea
 import { IoEyeOutline } from '@react-icons/all-files/io5/IoEyeOutline';
 import { Settings } from 'ontime-types';
 
+import { isAlphanumeric } from '../../../../common/utils/regex';
+
 interface GeneralPinInputProps {
   register: UseFormRegister<Settings>;
   formName: keyof Settings;
@@ -13,14 +15,18 @@ interface GeneralPinInputProps {
 export default function GeneralPinInput(props: PropsWithChildren<GeneralPinInputProps>) {
   const { register, formName, isDisabled } = props;
   const [isVisible, setVisible] = useState(false);
-
   return (
     <InputGroup size='sm' width='100px'>
       <Input
         variant='ontime-filled'
         type={isVisible ? 'text' : 'password'}
         maxLength={4}
-        {...register(formName)}
+        {...register(formName, {
+          pattern: {
+            value: isAlphanumeric,
+            message: 'Only alphanumeric characters are allowed',
+          },
+        })}
         placeholder='-'
         isDisabled={isDisabled}
       />