Ticket #692: suggestion.diff

core/Common.php

@@ -524 +524 @@
          */
         static public function getIp()
         {
-                return sprintf("%u", ip2long(self::getIpString()));
+                if(Piwik_Tracker_Config::getInstance()->privacy['ip_privacy']=='truncate')
+                {
+                        return sprintf("%u", (int)substr(number_format(hexdec(md5(ip2long(self::getIpString()))),0,',',''),0,9) );
+                }
+                else
+                {
+                        return sprintf("%u", ip2long(self::getIpString()));
+                }
         }
 
         /**

config/config.ini.sample.php

@@ -18 +18 @@
 adapter                 = PDO_MYSQL ; PDO_MYSQL, MYSQLI, or PDO_PGSQL
 tables_prefix   = piwik_
 ;charset                = utf8
+
+[privacy]
+ip_privacy              =truncate