diff --git a/src/main/java/ru/bclib/api/dataexchange/handler/HelloClient.java b/src/main/java/ru/bclib/api/dataexchange/handler/HelloClient.java
index 63793b5b..2767ac8d 100644
--- a/src/main/java/ru/bclib/api/dataexchange/handler/HelloClient.java
+++ b/src/main/java/ru/bclib/api/dataexchange/handler/HelloClient.java
@@ -281,6 +281,10 @@ public class HelloClient extends DataHandler {
 	
 	@Override
 	protected void runOnGameThread(Minecraft client, MinecraftServer server, boolean isClient) {
+		if (!Configs.CLIENT_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "enabled", true)) {
+			BCLib.LOGGER.info("Auto-Sync was disabled on the client.");
+			return;
+		}
 		final String localBclibVersion = getBCLibVersion();
 		BCLib.LOGGER.info("Received Hello from Server. (client=" + localBclibVersion + ", server=" + bclibVersion + ")");
 		
diff --git a/src/main/java/ru/bclib/api/dataexchange/handler/HelloServer.java b/src/main/java/ru/bclib/api/dataexchange/handler/HelloServer.java
index b8d43f0e..6b2d40a6 100644
--- a/src/main/java/ru/bclib/api/dataexchange/handler/HelloServer.java
+++ b/src/main/java/ru/bclib/api/dataexchange/handler/HelloServer.java
@@ -86,6 +86,11 @@ public class HelloServer extends DataHandler {
 	
 	@Override
 	protected void runOnGameThread(Minecraft client, MinecraftServer server, boolean isClient) {
+		if (!Configs.MAIN_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "enabled", true)) {
+			BCLib.LOGGER.info("Auto-Sync was disabled on the server.");
+			return;
+		}
+		
 		String localBclibVersion = HelloClient.getBCLibVersion();
 		BCLib.LOGGER.info("Received Hello from Client. (server="+localBclibVersion+", client="+bclibVersion+")");
 
diff --git a/src/main/java/ru/bclib/api/dataexchange/handler/RequestFiles.java b/src/main/java/ru/bclib/api/dataexchange/handler/RequestFiles.java
index 5292b252..cd94db0b 100644
--- a/src/main/java/ru/bclib/api/dataexchange/handler/RequestFiles.java
+++ b/src/main/java/ru/bclib/api/dataexchange/handler/RequestFiles.java
@@ -8,6 +8,7 @@ import net.minecraft.server.MinecraftServer;
 import ru.bclib.BCLib;
 import ru.bclib.api.dataexchange.DataHandler;
 import ru.bclib.api.dataexchange.DataHandlerDescriptor;
+import ru.bclib.config.Configs;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -28,6 +29,15 @@ public class RequestFiles extends DataHandler {
 		this.files = files;
 	}
 	
+	@Override
+	protected boolean prepareData(boolean isClient) {
+		if (!Configs.CLIENT_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "enabled", true)) {
+			BCLib.LOGGER.info("Auto-Sync was disabled on the client.");
+			return false;
+		}
+		return true;
+	}
+	
 	@Override
 	protected void serializeData(FriendlyByteBuf buf, boolean isClient) {
 		newToken();
@@ -59,6 +69,11 @@ public class RequestFiles extends DataHandler {
 	
 	@Override
 	protected void runOnGameThread(Minecraft client, MinecraftServer server, boolean isClient) {
+		if (!Configs.MAIN_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "enabled", true)) {
+			BCLib.LOGGER.info("Auto-Sync was disabled on the server.");
+			return;
+		}
+		
 		List<AutoFileSyncEntry> syncEntries = files
 				.stream().map(asid -> AutoFileSyncEntry.findMatching(asid))
 				.filter(e -> e!=null)
diff --git a/src/main/java/ru/bclib/api/dataexchange/handler/SendFiles.java b/src/main/java/ru/bclib/api/dataexchange/handler/SendFiles.java
index 02300b7a..411e699c 100644
--- a/src/main/java/ru/bclib/api/dataexchange/handler/SendFiles.java
+++ b/src/main/java/ru/bclib/api/dataexchange/handler/SendFiles.java
@@ -39,7 +39,18 @@ public class SendFiles extends DataHandler {
 	}
 
 	public static boolean acceptFiles() {
-		return Configs.CLIENT_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "acceptFiles", true);
+		return Configs.CLIENT_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "acceptFiles", true)
+			&& Configs.CLIENT_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "enabled", true);
+	}
+	
+	@Override
+	protected boolean prepareData(boolean isClient) {
+		if (!Configs.MAIN_CONFIG.getBoolean(Configs.MAIN_SYNC_CATEGORY, "enabled", true)) {
+			BCLib.LOGGER.info("Auto-Sync was disabled on the server.");
+			return false;
+		}
+		
+		return true;
 	}
 	
 	@Override