linksys · AustinChangLinksys · Jul 16, 2026 · Jul 16, 2026 · Jul 16, 2026
diff --git a/lib/core/utils/ipv6_address.dart b/lib/core/utils/ipv6_address.dart
@@ -72,6 +72,16 @@ Ipv6Scope classifyIpv6Scope(String address) {
 bool isGlobalUnicastIpv6(String address) =>
     classifyIpv6Scope(address) == Ipv6Scope.global;
 
+/// Whether [address] is an IPv6 link-local address (`fe80::/10`).
+///
+/// Link-local addresses are only valid on a single link and are never a
+/// meaningful address to surface in the UI. The single source of truth for the
+/// `fe80::/10` range lives in `ipv6_ranges.dart`; this mirrors the public shape
+/// of [isGlobalUnicastIpv6] so callers can filter without re-implementing the
+/// scope test.
+bool isLinkLocalIpv6(String address) =>
+    classifyIpv6Scope(address) == Ipv6Scope.linkLocal;
+
 /// Returns [addresses] reordered so the most routable address comes first:
 /// global unicast, then ULA, then link-local, then anything else. The relative
 /// order of addresses that share a scope is preserved (stable sort), so the

diff --git a/lib/l10n/app_ar.arb b/lib/l10n/app_ar.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPV6",
   "ipv6Address": "عنوان IPv6",
+  "ipv6ScopeLinkLocal": "الرابط المحلي",
   "keepAlive": "استمرار النشاط",
   "l2tpPassthrough": "عبور من خلال L2TP",
   "labelInterface": "الواجهة",

diff --git a/lib/l10n/app_da.arb b/lib/l10n/app_da.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPV6",
   "ipv6Address": "IPv6-adresse",
+  "ipv6ScopeLinkLocal": "Link-lokal",
   "keepAlive": "Bevar tilslutningen",
   "l2tpPassthrough": "L2TP Passthrough",
   "labelInterface": "Grænseflade",

diff --git a/lib/l10n/app_de.arb b/lib/l10n/app_de.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6-Adresse",
+  "ipv6ScopeLinkLocal": "Link-lokal",
   "keepAlive": "Verbindung aufrecht halten",
   "l2tpPassthrough": "L2TP-Passthrough",
   "labelInterface": "Schnittstelle",

diff --git a/lib/l10n/app_el.arb b/lib/l10n/app_el.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPV4",
   "ipv6": "IPv6",
   "ipv6Address": "Διεύθυνση IPv6",
+  "ipv6ScopeLinkLocal": "Τοπικό ζεύξης",
   "keepAlive": "Διατήρηση σε ενεργή κατάσταση",
   "l2tpPassthrough": "Διέλευση L2TP",
   "labelInterface": "Διασύνδεση",

diff --git a/lib/l10n/app_en.arb b/lib/l10n/app_en.arb
@@ -236,6 +236,7 @@
     "description": "Do not translate"
   },
   "ipv6Address": "IPv6 Address",
+  "ipv6ScopeLinkLocal": "Link-local",
   "keepAlive": "Keep alive",
   "l2tpPassthrough": "L2TP Passthrough",
   "labelInterface": "Interface",

diff --git a/lib/l10n/app_es.arb b/lib/l10n/app_es.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "Dirección IPv6",
+  "ipv6ScopeLinkLocal": "Enlace local",
   "keepAlive": "Mantener activo",
   "l2tpPassthrough": "Paso a través de L2TP",
   "labelInterface": "Interfaz",

diff --git a/lib/l10n/app_es_ar.arb b/lib/l10n/app_es_ar.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "Dirección IPv6",
+  "ipv6ScopeLinkLocal": "Enlace local",
   "keepAlive": "Mantener activo",
   "l2tpPassthrough": "Paso a través de L2TP",
   "labelInterface": "Interfaz",

diff --git a/lib/l10n/app_fi.arb b/lib/l10n/app_fi.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6-osoite",
+  "ipv6ScopeLinkLocal": "Linkkikohtainen",
   "keepAlive": "Aina käytössä",
   "l2tpPassthrough": "L2TP-läpiohjaus",
   "labelInterface": "Käyttöliittymä",

diff --git a/lib/l10n/app_fr.arb b/lib/l10n/app_fr.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "Adresse IPv6",
+  "ipv6ScopeLinkLocal": "Lien-local",
   "keepAlive": "Maintenir la connexion",
   "l2tpPassthrough": "Passthrough L2TP",
   "labelInterface": "Interface",

diff --git a/lib/l10n/app_fr_ca.arb b/lib/l10n/app_fr_ca.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "Adresse IPv6",
+  "ipv6ScopeLinkLocal": "Lien-local",
   "keepAlive": "Maintenir la connexion",
   "l2tpPassthrough": "Intercommunication L2TP",
   "labelInterface": "Interface",

diff --git a/lib/l10n/app_id.arb b/lib/l10n/app_id.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPV4",
   "ipv6": "IPv6",
   "ipv6Address": "Alamat IPv6",
+  "ipv6ScopeLinkLocal": "Link-local",
   "keepAlive": "Aktifkan terus",
   "l2tpPassthrough": "L2TP Passthrough",
   "labelInterface": "Antarmuka",

diff --git a/lib/l10n/app_it.arb b/lib/l10n/app_it.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "Indirizzo IPv6",
+  "ipv6ScopeLinkLocal": "Link-local",
   "keepAlive": "Connessione sempre attiva",
   "l2tpPassthrough": "Passthrough L2TP",
   "labelInterface": "Interfaccia",

diff --git a/lib/l10n/app_ja.arb b/lib/l10n/app_ja.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6 アドレス",
+  "ipv6ScopeLinkLocal": "リンクローカル",
   "keepAlive": "接続を維持",
   "l2tpPassthrough": "L2TP パススルー",
   "labelInterface": "インターフェイス",

diff --git a/lib/l10n/app_ko.arb b/lib/l10n/app_ko.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6 주소",
+  "ipv6ScopeLinkLocal": "링크-로컬",
   "keepAlive": "상태 유지",
   "l2tpPassthrough": "L2TP 패스스루",
   "labelInterface": "인터페이스",

diff --git a/lib/l10n/app_nb.arb b/lib/l10n/app_nb.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPV4",
   "ipv6": "IPV6",
   "ipv6Address": "IPv6-adresse",
+  "ipv6ScopeLinkLocal": "Lenkelokal",
   "keepAlive": "Oppretthold",
   "l2tpPassthrough": "L2TP-passasje",
   "labelInterface": "Grensesnitt",

diff --git a/lib/l10n/app_nl.arb b/lib/l10n/app_nl.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6-adres",
+  "ipv6ScopeLinkLocal": "Link-lokaal",
   "keepAlive": "Continu verbinding houden",
   "l2tpPassthrough": "L2TP-doorvoer",
   "labelInterface": "Interface",

diff --git a/lib/l10n/app_pl.arb b/lib/l10n/app_pl.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "Adres IPv6",
+  "ipv6ScopeLinkLocal": "Link-local",
   "keepAlive": "Utrzymywanie aktywności",
   "l2tpPassthrough": "L2TP Passthrough",
   "labelInterface": "Interfejs",

diff --git a/lib/l10n/app_pt.arb b/lib/l10n/app_pt.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "Endereço IPv6",
+  "ipv6ScopeLinkLocal": "Link-local",
   "keepAlive": "Funcionamento",
   "l2tpPassthrough": "Passagem L2TP",
   "labelInterface": "Interface",

diff --git a/lib/l10n/app_pt_pt.arb b/lib/l10n/app_pt_pt.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "Endereço IPv6",
+  "ipv6ScopeLinkLocal": "Link-local",
   "keepAlive": "Manter ligado",
   "l2tpPassthrough": "Passagem L2TP",
   "labelInterface": "Interface",

diff --git a/lib/l10n/app_ru.arb b/lib/l10n/app_ru.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6-адрес",
+  "ipv6ScopeLinkLocal": "Локальный для канала",
   "keepAlive": "Проверка активности",
   "l2tpPassthrough": "L2TP-туннель",
   "labelInterface": "Интерфейс",

diff --git a/lib/l10n/app_sv.arb b/lib/l10n/app_sv.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6-adress",
+  "ipv6ScopeLinkLocal": "Länklokal",
   "keepAlive": "Behåll anslutning",
   "l2tpPassthrough": "L2TP-vidarekoppling",
   "labelInterface": "Gränssnitt",

diff --git a/lib/l10n/app_th.arb b/lib/l10n/app_th.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6 แอดเดรส",
+  "ipv6ScopeLinkLocal": "ลิงก์-โลคัล",
   "keepAlive": "คงการเชื่อมต่อ",
   "l2tpPassthrough": "L2TP Passthrough",
   "labelInterface": "อินเตอร์เฟซ",

diff --git a/lib/l10n/app_tr.arb b/lib/l10n/app_tr.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6 Adresi",
+  "ipv6ScopeLinkLocal": "Bağlantı yerel",
   "keepAlive": "Bağlı tut",
   "l2tpPassthrough": "L2TP Geçiş İzni",
   "labelInterface": "Arabirim",

diff --git a/lib/l10n/app_vi.arb b/lib/l10n/app_vi.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "Địa chỉ IPv6",
+  "ipv6ScopeLinkLocal": "Link-local",
   "keepAlive": "Giữ hoạt động",
   "l2tpPassthrough": "L2TP Truyền qua",
   "labelInterface": "Giao diện",

diff --git a/lib/l10n/app_zh.arb b/lib/l10n/app_zh.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6地址",
+  "ipv6ScopeLinkLocal": "链路本地",
   "keepAlive": "保持活跃",
   "l2tpPassthrough": "L2TP通道",
   "labelInterface": "接口",

diff --git a/lib/l10n/app_zh_TW.arb b/lib/l10n/app_zh_TW.arb
@@ -136,6 +136,7 @@
   "ipv4": "IPv4",
   "ipv6": "IPv6",
   "ipv6Address": "IPv6 位址",
+  "ipv6ScopeLinkLocal": "連結本地",
   "keepAlive": "保持活躍",
   "l2tpPassthrough": "L2TP 穿透",
   "labelInterface": "介面",

diff --git a/lib/page/_shared/components/detail_widgets.dart b/lib/page/_shared/components/detail_widgets.dart
@@ -183,11 +183,16 @@ class DetailCopyableTile extends StatelessWidget {
   final String label;
   final String value;
 
+  /// Optional widget that replaces the default leading [Icon] (e.g. an
+  /// [Ipv6ScopeBadge] carrying its own tooltip/semantics).
+  final Widget? leading;
+
   const DetailCopyableTile({
     super.key,
     required this.icon,
     required this.label,
     required this.value,
+    this.leading,
   });
 
   @override
@@ -196,7 +201,7 @@ class DetailCopyableTile extends StatelessWidget {
     return Row(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        Icon(icon, size: 16, color: colorScheme.onSurfaceVariant),
+        leading ?? Icon(icon, size: 16, color: colorScheme.onSurfaceVariant),
         AppGap.sm(),
         Expanded(
           child: Column(

diff --git a/lib/page/_shared/components/layout_blocks/list_blocks.dart b/lib/page/_shared/components/layout_blocks/list_blocks.dart
@@ -158,14 +158,46 @@ class InfoGridItem {
   final bool fullWidth;
   final bool copyable;
 
+  /// Optional widget rendered next to the label (e.g. an [Ipv6ScopeBadge]).
+  final Widget? labelTrailing;
+
   const InfoGridItem({
     required this.label,
     required this.value,
     this.fullWidth = false,
     this.copyable = false,
+    this.labelTrailing,
   });
 }
 
+/// Icon-only marker for an IPv6 link-local (`fe80::/10`) address.
+///
+/// Link-local addresses are only valid on a single link and are not routable.
+/// Wherever an IPv6 address is surfaced (dashboard cards and the device/node
+/// detail views), a link-local address is shown but tagged with this compact
+/// icon (`public_off` — mirroring the routable `public` icon used for WAN
+/// addresses) rather than hidden. The tooltip provides discoverability and
+/// doubles as the semantic label for screen readers, since the icon alone
+/// carries no text.
+class Ipv6ScopeBadge extends StatelessWidget {
+  final double? size;
+
+  const Ipv6ScopeBadge({super.key, this.size});
+
+  @override
+  Widget build(BuildContext context) {
+    final colorScheme = Theme.of(context).colorScheme;
+    return Tooltip(
+      message: loc(context).ipv6ScopeLinkLocal,
+      child: Icon(
+        Icons.public_off,
+        size: size ?? BlockConstants.iconSm,
+        color: colorScheme.onSurfaceVariant,
+      ),
+    );
+  }
+}
+
 class _InfoGridTile extends StatelessWidget {
   final InfoGridItem item;
 
@@ -179,10 +211,23 @@ class _InfoGridTile extends StatelessWidget {
       child: Column(
         crossAxisAlignment: CrossAxisAlignment.start,
         children: [
-          AppText.labelSmall(
-            item.label.toUpperCase(),
-            color: colorScheme.onSurfaceVariant,
-          ),
+          if (item.labelTrailing != null)
+            Row(
+              mainAxisSize: MainAxisSize.min,
+              children: [
+                AppText.labelSmall(
+                  item.label.toUpperCase(),
+                  color: colorScheme.onSurfaceVariant,
+                ),
+                AppGap.xs(),
+                item.labelTrailing!,
+              ],
+            )
+          else
+            AppText.labelSmall(
+              item.label.toUpperCase(),
+              color: colorScheme.onSurfaceVariant,
+            ),
           AppGap.xs(),
           item.copyable
               ? _CopyableText(text: item.value)

diff --git a/lib/page/devices/views/usp_device_detail_view.dart b/lib/page/devices/views/usp_device_detail_view.dart
@@ -4,6 +4,7 @@ import 'package:privacy_gui/route/navigation_extensions.dart';
 import 'package:privacy_gui/components/ui_kit_page_view.dart';
 import 'package:privacy_gui/localization/localization_hook.dart';
 import 'package:privacy_gui/page/_shared/utils/device_classifier.dart';
+import 'package:privacy_gui/core/utils/ipv6_address.dart';
 import 'package:privacy_gui/core/utils/oui_lookup.dart';
 import 'package:privacy_gui/route/constants.dart';
 import 'package:privacy_gui/page/_shared/models/client_device.dart'
@@ -720,14 +721,26 @@ class _UspDeviceDetailViewState extends ConsumerState<UspDeviceDetailView> {
   // IPv6 Section
   // ===========================================================================
 
-  Widget _buildIpv6Section(BuildContext context, List<String> addresses) {
+  Widget _buildIpv6Section(BuildContext context, List<String> rawAddresses) {
     final colorScheme = Theme.of(context).colorScheme;
+    // Surface globally routable addresses first so the collapsed view (which
+    // shows only the first entry) never leads with a link-local address, while
+    // still enumerating every address when expanded. See #1128/#1129.
+    final addresses = preferGlobalIpv6First(rawAddresses);
     final displayCount = _ipv6Expanded ? addresses.length : 1;
+    // When the representative (first) address is link-local, the leading icon
+    // itself signals the scope (public_off + tooltip) instead of a duplicate
+    // trailing badge. See #1128/#1129.
+    final leadingIsLinkLocal =
+        addresses.isNotEmpty && isLinkLocalIpv6(addresses.first);
 
     return Row(
       crossAxisAlignment: CrossAxisAlignment.start,
       children: [
-        Icon(Icons.language, size: 16, color: colorScheme.onSurfaceVariant),
+        if (leadingIsLinkLocal)
+          const Ipv6ScopeBadge(size: 16)
+        else
+          Icon(Icons.language, size: 16, color: colorScheme.onSurfaceVariant),
         AppGap.sm(),
         Expanded(
           child: Column(

diff --git a/lib/page/internet_settings/cards/usp_network_status_card.dart b/lib/page/internet_settings/cards/usp_network_status_card.dart
@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:privacy_gui/core/utils/ipv6_address.dart';
 import 'package:privacy_gui/localization/localization_hook.dart';
 import 'package:privacy_gui/page/_shared/models/wan_status_ui_model.dart';
 import 'package:privacy_gui/page/_shared/components/dashboard_card_template.dart';
@@ -102,6 +103,12 @@ class UspNetworkStatusCard extends ConsumerWidget {
                   label: 'IPv6',
                   value: wan.ipv6Addresses.first,
                   copyable: true,
+                  // The representative address prefers global unicast; when only
+                  // a link-local (fe80::/10) address exists it is still shown,
+                  // tagged with a scope badge rather than hidden. See #1128.
+                  labelTrailing: isLinkLocalIpv6(wan.ipv6Addresses.first)
+                      ? const Ipv6ScopeBadge()
+                      : null,
                 )
               else if (wan.ipv6Enabled)
                 InfoGridItem(label: 'IPv6', value: 'Enabled'),