Index: sources/ApplicationPost.h
===================================================================
diff -u -r7c86f3854db9ad02d95681203198d75a0d65c9fa -rc73feffa73c7fe073a7a7581144f5806dfc91beb
--- sources/ApplicationPost.h	(.../ApplicationPost.h)	(revision 7c86f3854db9ad02d95681203198d75a0d65c9fa)
+++ sources/ApplicationPost.h	(.../ApplicationPost.h)	(revision c73feffa73c7fe073a7a7581144f5806dfc91beb)
@@ -70,6 +70,18 @@
     const QString _postmsg_shasum           = "App shasum"  ; // POSTMSG_SHASUM="App shasum"
     const QString _postmsg_cloudsync        = "CloudSync"   ; // POSTMSG_CLOUDSYNC="CloudSync"
 
+    const quint8  _macAddrssLen             = 17            ; // ff:ff:ff:ff:ff:ff
+    const quint8  _macAppearLen             = 200           ; // the mac address shall be found within the next 200 characters.
+    const QString _devEthernet              = "eth0:"       ;
+    const QString _devWireless              = "wlan0:"      ;
+    const QString _devBluetooth             = "hci0:"       ;
+    const QString _macEthernetLabel         = "link/ether " ; // the last space is important
+    const QString _macWirelessLabel         = "link/ether " ; // the last space is important
+    const QString _macBluetoothLabel        = "BD Address: "; // the last space is important
+          QString _macEthernet              = ""            ;
+          QString _macWireless              = ""            ;
+          QString _macBluetooth             = ""            ;
+
     const int     _yearMinimum              = 2022          ; // The year to check for minimum
 
     // tests                      // Severity
@@ -101,20 +113,24 @@
     bool checkYear            ();
 
 public:
-    bool isShaSum             () { return _isShaSum     ; }
-    bool isCANBus             () { return _isCANBus     ; }
-    bool isDisplay            () { return _isDisplay    ; }
-    bool isTouch              () { return _isTouch      ; }
-    bool isSDCard             () { return _isSDCard     ; }
-    bool isRtc                () { return _isRtc        ; }
-    bool isWiFi               () { return _isWiFi       ; }
-    bool isBluetooth          () { return _isBluetooth  ; }
-    bool isCloudSync          () { return _isCloudSync  ; }
-    bool isEthernet           () { return _isEthernet   ; }
-    bool isSound              () { return _isSound      ; }
-    bool isYearCheck          () { return _isYearCheck  ; }
-    bool isDone               () { return _isDone       ; }
+    bool isShaSum             () const { return _isShaSum     ; }
+    bool isCANBus             () const { return _isCANBus     ; }
+    bool isDisplay            () const { return _isDisplay    ; }
+    bool isTouch              () const { return _isTouch      ; }
+    bool isSDCard             () const { return _isSDCard     ; }
+    bool isRtc                () const { return _isRtc        ; }
+    bool isWiFi               () const { return _isWiFi       ; }
+    bool isBluetooth          () const { return _isBluetooth  ; }
+    bool isCloudSync          () const { return _isCloudSync  ; }
+    bool isEthernet           () const { return _isEthernet   ; }
+    bool isSound              () const { return _isSound      ; }
+    bool isYearCheck          () const { return _isYearCheck  ; }
+    bool isDone               () const { return _isDone       ; }
 
+    QString macEthernet       () const { return _macEthernet  ; }
+    QString macWireless       () const { return _macWireless  ; }
+    QString macBluetooth      () const { return _macBluetooth ; }
+
 public:
     explicit ApplicationPost(QObject *parent = nullptr);
     void start();