IfaceScanner: used the user specified IP to directly test if device is available there instead of assuming it to be under the subnet of tunnel coz it is fake endpoint interceptable by the tunnel's included routes

AltStore/Settings/VPNConfigurationView.swift

@@ -15,8 +15,6 @@ struct VPNConfigurationView: View {
     @Environment(\.presentationMode) var presentationMode
     @StateObject private var config = TunnelConfig.shared
 
-    @State private var showNetworkWarning = false
-
     var body: some View {
         List {
             Section(header: Text("Discovered from network")) {
@@ -42,19 +40,10 @@ struct VPNConfigurationView: View {
             } footer: {
                 HStack(alignment: .top, spacing: 0) {
                     Text("Note: ")
-                    Text("if the override configuration is invalid or unusable SideStore may use auto-discovered configuration as fallback")
+                    Text("if override configuration is invalid or unusable SideStore may use auto-discovered configuration as fallback")
                 }
             }
         }
-        .alert(isPresented: $showNetworkWarning) {
-            Alert(
-                title: Text("Warning"),
-                message: Text("Changing tunnel IP settings can disrupt your network connection. Proceed only if you are sure of what you are doing."),
-                dismissButton: .cancel(Text("I Understand")) {
-                    config.shownTunnelAlert = true
-                }
-            )
-        }
         .navigationTitle("VPN Configuration")
         .toolbar {
             ToolbarItem(placement: .topBarTrailing) {
@@ -96,11 +85,6 @@ struct VPNConfigurationView: View {
                 .keyboardType(.numbersAndPunctuation)
                 .onChange(of: proxy.wrappedValue) { newValue in
                     guard editable else { return }
-
-                    if !config.shownTunnelAlert {
-                        showNetworkWarning = true
-                    }
-
                     proxy.wrappedValue =
                         newValue.filter { "0123456789.".contains($0) }
                 }
@@ -113,21 +97,25 @@ final class TunnelConfig: ObservableObject {
 
     static let shared = TunnelConfig()
 
+    private static let defaultOverrideIP: String = {
+        if #available(iOS 26.4, *) { return "192.168.1.50" }
+        return "10.7.0.1"
+    }()
+
     @Published var deviceIP: String?
     @Published var subnetMask: String?
     @Published var fakeIP: String?
-    @Published var overrideFakeIP: String = UserDefaults.standard.string(forKey: "TunnelOverrideFakeIP") ?? "10.7.0.1" {
-        didSet { UserDefaults.standard.set(overrideFakeIP, forKey: "TunnelOverrideFakeIP") }
+    @Published var overrideFakeIP: String = overrideIPStorage {
+        didSet { Self.overrideIPStorage = overrideFakeIP }
     }
     @Published var overrideEffective: Bool = false
  
-    var overrideActive: String {
-        ((fakeIP?.isEmpty == false) && !overrideFakeIP.isEmpty && fakeIP == overrideFakeIP) ? "Yes" : "No"
+    private static var overrideIPStorage: String {
+        get { UserDefaults.standard.string(forKey: "TunnelOverrideFakeIP") ?? defaultOverrideIP }
+        set { UserDefaults.standard.set(newValue, forKey: "TunnelOverrideFakeIP") }
     }
 
-    @Published var shownTunnelAlert: Bool = UserDefaults.standard.bool(forKey: "shownTunnelAlert") {
-        didSet { UserDefaults.standard.set(shownTunnelAlert, forKey: "shownTunnelAlert") }
-    }
+    var overrideActive: String { overrideEffective ? "Yes" : "No" }
 
     func commitFakeIP() {
         fakeIP = overrideFakeIP