diff --git a/NCPCore/src/main/java/fr/neatmonster/nocheatplus/config/ConfPaths.java b/NCPCore/src/main/java/fr/neatmonster/nocheatplus/config/ConfPaths.java
index 7d42a211..ddda39c0 100644
--- a/NCPCore/src/main/java/fr/neatmonster/nocheatplus/config/ConfPaths.java
+++ b/NCPCore/src/main/java/fr/neatmonster/nocheatplus/config/ConfPaths.java
@@ -52,8 +52,10 @@ public abstract class ConfPaths {
     private static final String LOGGING_EXTENDED                         = LOGGING + "extended.";
     public static final String  LOGGING_EXTENDED_STATUS                  = LOGGING_EXTENDED + "status";
     private static final String LOGGING_EXTENDED_ALLVIOLATIONS           = LOGGING_EXTENDED + "allviolations.";
-    public static final String  LOGGING_EXTENDED_ALLVIOLATIONS_TRACE     = LOGGING_EXTENDED_ALLVIOLATIONS + "trace";
-    public static final String  LOGGING_EXTENDED_ALLVIOLATIONS_NOTIFY    = LOGGING_EXTENDED_ALLVIOLATIONS + "notify";
+    public static final String  LOGGING_EXTENDED_ALLVIOLATIONS_DEBUGONLY = LOGGING_EXTENDED_ALLVIOLATIONS + "debugonly";
+    private static final String LOGGING_EXTENDED_ALLVIOLATIONS_BACKEND   = LOGGING_EXTENDED_ALLVIOLATIONS + "backend.";
+    public static final String  LOGGING_EXTENDED_ALLVIOLATIONS_BACKEND_TRACE     = LOGGING_EXTENDED_ALLVIOLATIONS_BACKEND + "trace";
+    public static final String  LOGGING_EXTENDED_ALLVIOLATIONS_BACKEND_NOTIFY    = LOGGING_EXTENDED_ALLVIOLATIONS_BACKEND + "notify";
 
     @GlobalConfig
     private static final String MISCELLANEOUS = "miscellaneous.";
diff --git a/NCPCore/src/main/java/fr/neatmonster/nocheatplus/config/DefaultConfig.java b/NCPCore/src/main/java/fr/neatmonster/nocheatplus/config/DefaultConfig.java
index ee4b4aa6..2490a2bf 100644
--- a/NCPCore/src/main/java/fr/neatmonster/nocheatplus/config/DefaultConfig.java
+++ b/NCPCore/src/main/java/fr/neatmonster/nocheatplus/config/DefaultConfig.java
@@ -40,8 +40,9 @@ public class DefaultConfig extends ConfigFile {
         set(ConfPaths.LOGGING_ACTIVE, true);
         set(ConfPaths.LOGGING_MAXQUEUESIZE, 5000);
         set(ConfPaths.LOGGING_EXTENDED_STATUS, false);
-        set(ConfPaths.LOGGING_EXTENDED_ALLVIOLATIONS_TRACE, false);
-        set(ConfPaths.LOGGING_EXTENDED_ALLVIOLATIONS_NOTIFY, false);
+        set(ConfPaths.LOGGING_EXTENDED_ALLVIOLATIONS_DEBUGONLY, false);
+        set(ConfPaths.LOGGING_EXTENDED_ALLVIOLATIONS_BACKEND_TRACE, false);
+        set(ConfPaths.LOGGING_EXTENDED_ALLVIOLATIONS_BACKEND_NOTIFY, false);
         set(ConfPaths.LOGGING_BACKEND_CONSOLE_ACTIVE, true);
         set(ConfPaths.LOGGING_BACKEND_CONSOLE_PREFIX, "[NoCheatPlus] ");
         set(ConfPaths.LOGGING_BACKEND_CONSOLE_ASYNCHRONOUS, true);
diff --git a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/hooks/allviolations/AllViolationsConfig.java b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/hooks/allviolations/AllViolationsConfig.java
index 7fe9a806..b6f28bf1 100644
--- a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/hooks/allviolations/AllViolationsConfig.java
+++ b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/hooks/allviolations/AllViolationsConfig.java
@@ -15,13 +15,17 @@ public class AllViolationsConfig {
 
     /** Log all violations to the in-game notification channel. */
     public final boolean allToNotify;
+    
+    /** Only log if the player is being "debugged". Currently incomplete. */
+    public final boolean debugOnly;
 
     // TODO: More config on what to print (uuid, etc., default tags). 
     // TODO: More filtering like in TestNCP.
 
     public AllViolationsConfig(ConfigFile config) {
-        allToTrace = config.getBoolean(ConfPaths.LOGGING_EXTENDED_ALLVIOLATIONS_TRACE);
-        allToNotify = config.getBoolean(ConfPaths.LOGGING_EXTENDED_ALLVIOLATIONS_NOTIFY);
+        debugOnly = config.getBoolean(ConfPaths.LOGGING_EXTENDED_ALLVIOLATIONS_DEBUGONLY);
+        allToTrace = config.getBoolean(ConfPaths.LOGGING_EXTENDED_ALLVIOLATIONS_BACKEND_TRACE);
+        allToNotify = config.getBoolean(ConfPaths.LOGGING_EXTENDED_ALLVIOLATIONS_BACKEND_NOTIFY);
     }
 
     public boolean doesLogAnything() {
diff --git a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/hooks/allviolations/AllViolationsHook.java b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/hooks/allviolations/AllViolationsHook.java
index 2c4da0c7..4d77de0c 100644
--- a/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/hooks/allviolations/AllViolationsHook.java
+++ b/NCPPlugin/src/main/java/fr/neatmonster/nocheatplus/hooks/allviolations/AllViolationsHook.java
@@ -10,6 +10,8 @@ import org.bukkit.entity.Player;
 import fr.neatmonster.nocheatplus.NCPAPIProvider;
 import fr.neatmonster.nocheatplus.actions.ParameterName;
 import fr.neatmonster.nocheatplus.checks.CheckType;
+import fr.neatmonster.nocheatplus.checks.access.CheckDataFactory;
+import fr.neatmonster.nocheatplus.checks.access.ICheckData;
 import fr.neatmonster.nocheatplus.checks.access.IViolationInfo;
 import fr.neatmonster.nocheatplus.hooks.ILast;
 import fr.neatmonster.nocheatplus.hooks.IStats;
@@ -30,7 +32,7 @@ public class AllViolationsHook implements NCPHook, ILast, IStats {
 
     private AllViolationsConfig config;
     private Integer hookId = null;
-    
+
     /** White list. */
     private final ParameterName[] parameters;
     private final String[] noParameterTexts;
@@ -88,7 +90,23 @@ public class AllViolationsHook implements NCPHook, ILast, IStats {
         if (config == null) {
             return false;
         }
-        // Generate message.
+        if (config.debugOnly) {
+            // TODO: Better mix the debug flag into IViolationInfo, for best performance.
+            final CheckDataFactory factory = checkType.getDataFactory();
+            if (factory == null) {
+                return false;
+            }
+            final ICheckData data = factory.getData(player);
+            if (data == null || !data.getDebug()) {
+                return false;
+            }
+        }
+        log(checkType, player, info, config);
+        return false;
+    }
+
+    private void log(final CheckType checkType, final Player player, final IViolationInfo info, final AllViolationsConfig config) {
+        // Generate the message.
         // TODO: More colors?
         final StringBuilder builder = new StringBuilder(300);
         final String playerName = player.getName();
@@ -110,7 +128,7 @@ public class AllViolationsHook implements NCPHook, ILast, IStats {
             }
         }
         final String message = builder.toString();
-        // Send to where it is appropriate.
+        // Send the message.
         final LogManager logManager = NCPAPIProvider.getNoCheatPlusAPI().getLogManager();
         if (config.allToNotify) {
             logManager.info(Streams.NOTIFY_INGAME, message);
@@ -118,7 +136,6 @@ public class AllViolationsHook implements NCPHook, ILast, IStats {
         if (config.allToTrace) {
             logManager.info(Streams.TRACE_FILE, ChatColor.stripColor(message));
         }
-        return false;
     }
 
 }