diff --git a/frontend/src/lang/modules/en.ts b/frontend/src/lang/modules/en.ts
index 91e352f7f..6fa576b6f 100644
--- a/frontend/src/lang/modules/en.ts
+++ b/frontend/src/lang/modules/en.ts
@@ -4318,7 +4318,6 @@ const message = {
             'Set one port allowed by the firewall. Manage the listening port in the service settings.',
         whitelistSourcesHelper:
             'Enter IP addresses or CIDR ranges, separated by commas or new lines. Leave blank to allow all IPv4 and IPv6 sources.',
-        systemAccessSourceError: 'Enter at least one valid {0} address or CIDR range.',
         destinationPortPlaceholder: 'e.g. 80, 80,443, or 8080-8089',
         deleteRuleConfirm: 'Will delete {0} rules. Continue?',
         deleteUsedRuleConfirm:
diff --git a/frontend/src/lang/modules/es-es.ts b/frontend/src/lang/modules/es-es.ts
index 4c1d7fc27..1b5e70d3f 100644
--- a/frontend/src/lang/modules/es-es.ts
+++ b/frontend/src/lang/modules/es-es.ts
@@ -4371,7 +4371,6 @@ const message = {
             'Configure un único puerto permitido por el cortafuegos. El puerto de escucha se gestiona en la configuración del servicio.',
         whitelistSourcesHelper:
             'Introduzca direcciones IP o rangos CIDR separados por comas o saltos de línea. Déjelo en blanco para permitir todos los orígenes IPv4 e IPv6.',
-        systemAccessSourceError: 'Introduzca al menos una dirección o red CIDR {0} válida.',
         destinationPortPlaceholder: 'p. ej. 80, 80,443 o 8080-8089',
         deleteRuleConfirm: 'Se eliminarán {0} reglas. ¿Continuar?',
         deleteUsedRuleConfirm:
diff --git a/frontend/src/lang/modules/fa.ts b/frontend/src/lang/modules/fa.ts
index 6011fc198..2f04b029b 100644
--- a/frontend/src/lang/modules/fa.ts
+++ b/frontend/src/lang/modules/fa.ts
@@ -4275,7 +4275,6 @@ const message = {
             'یک درگاه مجاز برای دیواره آتش تنظیم کنید. درگاه شنود را در تنظیمات سرویس تغییر دهید.',
         whitelistSourcesHelper:
             'آدرس‌های IP یا محدوده‌های CIDR را با ویرگول یا خط جدید جدا کنید. برای مجاز کردن همه مبدأهای IPv4 و IPv6، این قسمت را خالی بگذارید.',
-        systemAccessSourceError: 'حداقل یک نشانی {0} یا بازه CIDR معتبر وارد کنید.',
         destinationPortPlaceholder: 'مثلاً: 80، 80,443 یا 8080-8089',
         deleteRuleConfirm: '{0} قانون حذف خواهند شد. ادامه می‌دهید؟',
         deleteUsedRuleConfirm:
diff --git a/frontend/src/lang/modules/ja.ts b/frontend/src/lang/modules/ja.ts
index 6ba350513..0fb1a727c 100644
--- a/frontend/src/lang/modules/ja.ts
+++ b/frontend/src/lang/modules/ja.ts
@@ -4301,7 +4301,6 @@ const message = {
             'ファイアウォールで許可するポートを1つ設定します。待ち受けポートは各サービスの設定で変更してください。',
         whitelistSourcesHelper:
             'IP アドレスまたは CIDR をカンマか改行で区切って入力してください。 空欄の場合、すべての IPv4 および IPv6 の接続元を許可します。',
-        systemAccessSourceError: '有効な {0} アドレスまたは CIDR を1つ以上入力してください。',
         destinationPortPlaceholder: '例: 80、80,443、8080-8089',
         deleteRuleConfirm: '{0} 個のルールを削除します。続行しますか？',
         deleteUsedRuleConfirm:
diff --git a/frontend/src/lang/modules/ko.ts b/frontend/src/lang/modules/ko.ts
index 191df95a7..c788730aa 100644
--- a/frontend/src/lang/modules/ko.ts
+++ b/frontend/src/lang/modules/ko.ts
@@ -4222,7 +4222,6 @@ const message = {
             '방화벽에서 허용할 포트 하나를 설정합니다. 수신 포트는 해당 서비스 설정에서 변경하세요.',
         whitelistSourcesHelper:
             'IP 주소 또는 CIDR 대역을 쉼표나 줄바꿈으로 구분하세요. 비워 두면 모든 IPv4 및 IPv6 출발지를 허용합니다.',
-        systemAccessSourceError: '유효한 {0} 주소 또는 CIDR 대역을 하나 이상 입력하세요.',
         destinationPortPlaceholder: '예: 80, 80,443 또는 8080-8089',
         deleteRuleConfirm: '{0}개의 규칙을 삭제합니다. 계속하시겠습니까?',
         deleteUsedRuleConfirm:
diff --git a/frontend/src/lang/modules/lo.ts b/frontend/src/lang/modules/lo.ts
index 41367e9da..0767684e4 100644
--- a/frontend/src/lang/modules/lo.ts
+++ b/frontend/src/lang/modules/lo.ts
@@ -4185,7 +4185,6 @@ const message = {
         whitelistServicePortsHelper: 'ຕັ້ງຄ່າໜຶ່ງພອດທີ່ໄຟວໍອະນຸຍາດ. ປ່ຽນພອດຮັບຟັງໃນການຕັ້ງຄ່າບໍລິການ.',
         whitelistSourcesHelper:
             'ປ້ອນທີ່ຢູ່ IP ຫຼື CIDR ໂດຍແຍກດ້ວຍຈຸດຈ້ຳ ຫຼື ຂຶ້ນແຖວໃໝ່. ຖ້າປະໄວ້ຫວ່າງ ຈະອະນຸຍາດທຸກແຫຼ່ງທີ່ມາ IPv4 ແລະ IPv6.',
-        systemAccessSourceError: 'ປ້ອນທີ່ຢູ່ {0} ຫຼື CIDR ທີ່ຖືກຕ້ອງຢ່າງໜ້ອຍໜຶ່ງລາຍການ.',
         destinationPortPlaceholder: 'ຕົວຢ່າງ: 80, 80,443 ຫຼື 8080-8089',
         deleteRuleConfirm: 'ຈະລຶບ {0} ກົດລະບຽບ. ຕ້ອງການຕໍ່ຫຼືບໍ່?',
         deleteUsedRuleConfirm:
diff --git a/frontend/src/lang/modules/ms.ts b/frontend/src/lang/modules/ms.ts
index 887fb7ba3..ea34bb52a 100644
--- a/frontend/src/lang/modules/ms.ts
+++ b/frontend/src/lang/modules/ms.ts
@@ -4385,7 +4385,6 @@ const message = {
             'Tetapkan satu port yang dibenarkan oleh tembok api. Urus port pendengar dalam tetapan perkhidmatan.',
         whitelistSourcesHelper:
             'Masukkan alamat IP atau julat CIDR, dipisahkan dengan koma atau baris baharu. Biarkan kosong untuk membenarkan semua sumber IPv4 dan IPv6.',
-        systemAccessSourceError: 'Masukkan sekurang-kurangnya satu alamat {0} atau julat CIDR yang sah.',
         destinationPortPlaceholder: 'contoh: 80, 80,443 atau 8080-8089',
         deleteRuleConfirm: 'Akan memadam {0} peraturan. Teruskan?',
         deleteUsedRuleConfirm:
diff --git a/frontend/src/lang/modules/pt-br.ts b/frontend/src/lang/modules/pt-br.ts
index 8ada6d596..5019dab38 100644
--- a/frontend/src/lang/modules/pt-br.ts
+++ b/frontend/src/lang/modules/pt-br.ts
@@ -4407,7 +4407,6 @@ const message = {
             'Defina uma única porta permitida pelo firewall. Gerencie a porta de escuta nas configurações do serviço.',
         whitelistSourcesHelper:
             'Insira endereços IP ou intervalos CIDR separados por vírgulas ou quebras de linha. Deixe em branco para permitir todas as origens IPv4 e IPv6.',
-        systemAccessSourceError: 'Informe pelo menos um endereço {0} ou intervalo CIDR válido.',
         destinationPortPlaceholder: 'por exemplo: 80, 80,443 ou 8080-8089',
         deleteRuleConfirm: 'Excluirá {0} regras. Continuar?',
         deleteUsedRuleConfirm:
diff --git a/frontend/src/lang/modules/ru.ts b/frontend/src/lang/modules/ru.ts
index eea318f93..3f276ddbb 100644
--- a/frontend/src/lang/modules/ru.ts
+++ b/frontend/src/lang/modules/ru.ts
@@ -4373,7 +4373,6 @@ const message = {
             'Укажите один порт, разрешённый брандмауэром. Порт прослушивания меняется в настройках службы.',
         whitelistSourcesHelper:
             'Введите IP-адреса или подсети CIDR через запятую или с новой строки. Оставьте поле пустым, чтобы разрешить все источники IPv4 и IPv6.',
-        systemAccessSourceError: 'Укажите хотя бы один допустимый адрес {0} или диапазон CIDR.',
         destinationPortPlaceholder: 'например: 80, 80,443 или 8080-8089',
         deleteRuleConfirm: 'Удалит {0} правил. Продолжить?',
         deleteUsedRuleConfirm:
diff --git a/frontend/src/lang/modules/tr.ts b/frontend/src/lang/modules/tr.ts
index ce961cc4f..d84c86080 100644
--- a/frontend/src/lang/modules/tr.ts
+++ b/frontend/src/lang/modules/tr.ts
@@ -4389,7 +4389,6 @@ const message = {
             'Güvenlik duvarının izin verdiği tek bir port ayarlayın. Dinleme portunu hizmet ayarlarından yönetin.',
         whitelistSourcesHelper:
             'IP adreslerini veya CIDR aralıklarını virgül ya da yeni satırla ayırın. Tüm IPv4 ve IPv6 kaynaklarına izin vermek için boş bırakın.',
-        systemAccessSourceError: 'En az bir geçerli {0} adresi veya CIDR aralığı girin.',
         destinationPortPlaceholder: 'örn. 80, 80,443 veya 8080-8089',
         deleteRuleConfirm: '{0} kural silinecek. Devam etmek istiyor musunuz?',
         deleteUsedRuleConfirm:
diff --git a/frontend/src/lang/modules/zh-Hant.ts b/frontend/src/lang/modules/zh-Hant.ts
index a1508be93..904579372 100644
--- a/frontend/src/lang/modules/zh-Hant.ts
+++ b/frontend/src/lang/modules/zh-Hant.ts
@@ -4022,7 +4022,6 @@ const message = {
         systemAccessChangeConfirm: '對 {0} 白名單規則執行此操作後，可能無法透過該服務遠端存取。是否繼續？',
         whitelistServicePortsHelper: '設定一個防火牆放行連接埠，服務監聽連接埠請在對應服務設定中修改。',
         whitelistSourcesHelper: '支援 IP 或 CIDR，多個以逗號或換行分隔。留空預設允許所有 IPv4 和 IPv6 來源。',
-        systemAccessSourceError: '請至少填寫一個有效的 {0} 位址或 CIDR 網段。',
         destinationPortPlaceholder: '例如：80、80,443 或 8080-8089',
         deleteRuleConfirm: '將刪除 {0} 條規則，是否繼續？',
         deleteUsedRuleConfirm: '該規則涵蓋由 {0} 提供的監聽服務。刪除後可能導致相關服務無法存取，是否繼續？',
diff --git a/frontend/src/lang/modules/zh.ts b/frontend/src/lang/modules/zh.ts
index b20247999..81aa2c857 100644
--- a/frontend/src/lang/modules/zh.ts
+++ b/frontend/src/lang/modules/zh.ts
@@ -4070,7 +4070,6 @@ const message = {
         systemAccessChangeConfirm: '对 {0} 白名单规则执行此操作后，可能无法通过该服务远程访问。是否继续？',
         whitelistServicePortsHelper: '设置一个防火墙放行端口，服务监听端口请在对应服务设置中修改。',
         whitelistSourcesHelper: '支持 IP 或 CIDR，多个以逗号或换行分隔。留空默认允许所有 IPv4 和 IPv6 来源。',
-        systemAccessSourceError: '请至少填写一个有效的 {0} 地址或 CIDR 网段。',
         destinationPortPlaceholder: '例如：80、80,443 或 8080-8089',
         deleteRuleConfirm: '将删除 {0} 条规则，是否继续？',
         deleteUsedRuleConfirm: '该规则覆盖了由 {0} 提供的监听服务。删除后可能导致相关服务无法访问，是否继续？',
diff --git a/frontend/src/views/host/firewall/setting/white-list/index.vue b/frontend/src/views/host/firewall/setting/white-list/index.vue
index dbd18e204..a66f3dddd 100644
--- a/frontend/src/views/host/firewall/setting/white-list/index.vue
+++ b/frontend/src/views/host/firewall/setting/white-list/index.vue
@@ -46,7 +46,14 @@
         :title="$t(editingRule ? 'commons.button.edit' : 'commons.button.create')"
         :show-close="!saving"
     >
-        <el-form label-position="top" :disabled="saving" @submit.prevent="saveRule">
+        <el-form
+            ref="formRef"
+            :model="form"
+            :rules="rules"
+            label-position="top"
+            :disabled="saving"
+            @submit.prevent="saveRule"
+        >
             <el-form-item :label="$t('commons.table.type')">
                 <el-select v-model="form.type" :disabled="!!editingRule">
                     <el-option value="custom" :label="$t('website.other')" />
@@ -65,16 +72,16 @@
                 </el-select>
             </el-form-item>
             <template v-if="form.type === 'custom'">
-                <el-form-item :label="$t('firewall.portOrRange')" required>
+                <el-form-item :label="$t('firewall.portOrRange')" prop="port">
                     <el-input v-model.trim="form.port" placeholder="80 / 8000-8100" clearable />
                     <span class="input-help">{{ $t('firewall.portWhiteListHelper') }}</span>
                 </el-form-item>
             </template>
-            <el-form-item v-else-if="editingRule" :label="$t('commons.table.port')" required>
+            <el-form-item v-else-if="editingRule" :label="$t('commons.table.port')" prop="port">
                 <el-input v-model.trim="form.port" :placeholder="form.type === 'ssh' ? '2222' : '18443'" clearable />
                 <span class="input-help">{{ $t('firewall.whitelistServicePortsHelper') }}</span>
             </el-form-item>
-            <el-form-item :label="$t('firewall.allowedSources')">
+            <el-form-item :label="$t('firewall.allowedSources')" prop="sourceInput">
                 <el-input
                     v-model.trim="form.sourceInput"
                     type="textarea"
@@ -102,8 +109,13 @@ import {
 } from '@/api/modules/firewall';
 import i18n from '@/lang';
 import { MsgError } from '@/utils/message';
-import { formatHostAddressList, isValidIPOrCIDR, splitTagValues } from '@/views/host/firewall/utils/validation';
-import { ElMessageBox } from 'element-plus';
+import {
+    formatHostAddressList,
+    isValidIPOrCIDR,
+    isValidPortRange,
+    splitTagValues,
+} from '@/views/host/firewall/utils/validation';
+import { ElMessageBox, type FormInstance, type FormRules } from 'element-plus';
 import { normalizeWhiteListRule, WhiteListProtocol, WhiteListRule, WhiteListType, whiteListRuleKey } from './model';
 
 const props = defineProps<{
@@ -120,12 +132,45 @@ const busy = computed(() => props.loading || saving.value);
 const disabled = computed(() => busy.value || !props.rules);
 const data = computed(() => props.rules || []);
 const editingRule = ref<WhiteListRule>();
+const formRef = ref<FormInstance>();
 const form = ref({
     type: 'custom' as WhiteListType | 'custom',
     protocol: 'tcp' as WhiteListProtocol,
     port: '',
     sourceInput: '',
 });
+const rules: FormRules = {
+    port: [
+        {
+            required: true,
+            validator: (_rule, value: string, callback) => {
+                if (!value) {
+                    callback(new Error(i18n.global.t('commons.rule.requiredInput')));
+                    return;
+                }
+                if (!isValidPortRange(value) || (form.value.type !== 'custom' && !/^\d+$/.test(value))) {
+                    const message = form.value.type === 'custom' ? 'firewall.portFormatError' : 'commons.rule.port';
+                    callback(new Error(i18n.global.t(message)));
+                    return;
+                }
+                callback();
+            },
+            trigger: ['blur', 'change'],
+        },
+    ],
+    sourceInput: [
+        {
+            validator: (_rule, value: string, callback) => {
+                if (splitTagValues([value]).some((source) => !isValidIPOrCIDR(source))) {
+                    callback(new Error(i18n.global.t('commons.rule.ip')));
+                    return;
+                }
+                callback();
+            },
+            trigger: ['blur', 'change'],
+        },
+    ],
+};
 const serviceTypes: WhiteListType[] = ['ssh', 'panel'];
 const serviceLabel = (type: WhiteListType) => (type === 'panel' ? '1Panel' : 'SSH');
 const servicePortLabel = (type: WhiteListType) =>
@@ -145,19 +190,18 @@ const openEditor = (rule?: WhiteListRule) => {
         port: rule?.port || '',
         sourceInput: formatHostAddressList(rule ? rule.sources || [] : ['0.0.0.0/0', '::/0']),
     };
+    formRef.value?.clearValidate();
     dialogVisible.value = true;
 };
 
 const saveRule = async () => {
-    if (disabled.value) return;
+    if (disabled.value || !formRef.value) return;
+    const valid = await formRef.value.validate().catch(() => false);
+    if (!valid) return;
     const sources = splitTagValues([form.value.sourceInput]);
     if (!sources.length) {
         sources.push('0.0.0.0/0', '::/0');
     }
-    if (sources.some((source) => !isValidIPOrCIDR(source))) {
-        MsgError(i18n.global.t('firewall.systemAccessSourceError', ['IPv4 / IPv6']));
-        return;
-    }
     let rule: WhiteListRule;
     try {
         rule = normalizeWhiteListRule({