fix: improve VPN detection diagnostic logging

Author: GeiserX

Casks/vpn-bypass.rb

@@ -3,7 +3,7 @@
 # Or if using local tap: brew install --cask --no-quarantine ./Casks/vpn-bypass.rb
 
 cask "vpn-bypass" do
-  version "1.6.6"
+  version "1.6.7"
   sha256 "37b127a55aec0bdb80e824e59e840ce5b529c09086aac7fc24dc4616abb817bd"
 
   url "https://github.com/GeiserX/VPN-Bypass/releases/download/v#{version}/VPN-Bypass-#{version}.dmg"

Info.plist

@@ -19,7 +19,7 @@
 	<key>CFBundleShortVersionString</key>
 	<string>1.6.4</string>
 	<key>CFBundleVersion</key>
-	<string>15</string>
+	<string>16</string>
 	<key>LSMinimumSystemVersion</key>
 	<string>13.0</string>
 	<key>LSUIElement</key>

README.md

@@ -11,7 +11,7 @@
 <p align="center">
   <img src="https://img.shields.io/badge/macOS-13%2B-blue" alt="macOS 13+">
   <img src="https://img.shields.io/badge/Swift-5.9-orange" alt="Swift 5.9">
-  <a href="https://github.com/GeiserX/vpn-macos-bypass/releases"><img src="https://img.shields.io/badge/version-1.6.6-green" alt="Version"></a>
+  <a href="https://github.com/GeiserX/vpn-macos-bypass/releases"><img src="https://img.shields.io/badge/version-1.6.7-green" alt="Version"></a>
 </p>
 
 ## Why?

Sources/RouteManager.swift

@@ -653,6 +653,7 @@ final class RouteManager: ObservableObject {
     private func detectVPNViaIfconfig(hintType: VPNType?) async -> (connected: Bool, interface: String?, type: VPNType?) {
         guard let result = await runProcessAsync("/sbin/ifconfig", timeout: 5.0) else {
             // Command failed/timed out - don't change VPN status (return current state)
+            await MainActor.run { log(.warning, "ifconfig command failed/timed out") }
             return (isVPNConnected, vpnInterface, vpnType)
         }
 
@@ -662,6 +663,7 @@ final class RouteManager: ObservableObject {
         var currentInterface: String?
         var hasValidIP = false
         var hasUpFlag = false
+        var debugInfo: [(iface: String, ip: String?, isVPN: Bool, validIP: Bool)] = []
 
         for line in output.components(separatedBy: "\n") {
             // New interface starts with interface name (no leading whitespace)
@@ -687,7 +689,11 @@ final class RouteManager: ObservableObject {
                     let parts = trimmed.components(separatedBy: " ")
                     if parts.count >= 2 {
                         let ip = parts[1]
-                        if await isCorporateVPNIP(ip) {
+                        let isValidCorporateIP = await isCorporateVPNIP(ip)
+                        if let iface = currentInterface {
+                            debugInfo.append((iface: iface, ip: ip, isVPN: isVPNInterface(iface), validIP: isValidCorporateIP))
+                        }
+                        if isValidCorporateIP {
                             hasValidIP = true
                         }
                     }
@@ -702,6 +708,12 @@ final class RouteManager: ObservableObject {
             return (true, iface, vpnType)
         }
 
+        // Debug: log what we found
+        if !debugInfo.isEmpty {
+            let summary = debugInfo.map { "\($0.iface):\($0.ip ?? "?") vpn=\($0.isVPN) valid=\($0.validIP)" }.joined(separator: ", ")
+            await MainActor.run { log(.info, "VPN scan: \(summary)") }
+        }
+        
         return (false, nil, nil)
     }
 

Sources/SettingsView.swift

@@ -1263,7 +1263,7 @@ struct GeneralTab: View {
             HStack {
                 VStack(alignment: .leading, spacing: 2) {
                     BrandedAppName(fontSize: 13)
-                    Text("Version 1.6.6")
+                    Text("Version 1.6.7")
                         .font(.system(size: 11))
                         .foregroundColor(Color(hex: "6B7280"))
                 }
@@ -1721,7 +1721,7 @@ struct InfoTab: View {
             // App name with branded colors
             BrandedAppName(fontSize: 24)
 
-            Text("v1.6.6")
+            Text("v1.6.7")
                 .font(.system(size: 12, design: .monospaced))
                 .foregroundColor(Color(hex: "6B7280"))
 

docs/CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to VPN Bypass will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.1.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.6.7] - 2026-01-26
+
+### Fixed
+- **Improved VPN Detection Logging** - Better diagnostic logging when VPN detection fails
+
 ## [1.6.6] - 2026-01-23
 
 ### Changed