diff --git a/VelocityCore/src/de/steamwar/velocitycore/listeners/PluginMessage.java b/VelocityCore/src/de/steamwar/velocitycore/listeners/PluginMessage.java
index 7ef0be27..33e431fb 100644
--- a/VelocityCore/src/de/steamwar/velocitycore/listeners/PluginMessage.java
+++ b/VelocityCore/src/de/steamwar/velocitycore/listeners/PluginMessage.java
@@ -33,6 +33,8 @@ import com.velocitypowered.api.proxy.messages.MinecraftChannelIdentifier;
 import com.velocitypowered.proxy.protocol.ProtocolUtils;
 import de.steamwar.messages.Chatter;
 import de.steamwar.network.packets.NetworkPacket;
+import de.steamwar.sql.SteamwarUser;
+import de.steamwar.sql.UserPerm;
 import de.steamwar.velocitycore.VelocityCore;
 import de.steamwar.velocitycore.commands.TeamCommand;
 import de.steamwar.velocitycore.mods.*;
@@ -360,6 +362,23 @@ public class PluginMessage extends BasicListener {
         ))
             channelRegisterHandlers.put(channel, player -> Chatter.disconnect(player).prefixless("MOD_YELLOW_SING", "minimap"));
 
+        for(String channel : Arrays.asList(
+                "flashback:remote_food_data",
+                "flashback:remote_set_slot",
+                "flashback:force_client_tick",
+                "flashback:accurate_entity_position",
+                "flashback:instantly_lerp",
+                "flashback:remote_experience",
+                "flashback:clear_particles",
+                "flashback:remote_select_hotbar_slot", // https://github.com/Moulberry/Flashback/tree/master/src/main/java/com/moulberry/flashback/packet
+                "flashback:clear_entities" // https://github.com/Moulberry/Flashback
+        ))
+            channelRegisterHandlers.put(channel, player -> {
+                if (!SteamwarUser.get(player.getUniqueId()).hasPerm(UserPerm.RESTRICTED_MODS)) {
+                    Chatter.disconnect(player).prefixless("MOD_YELLOW_SING", "flashback");
+                }
+            });
+
         for(String channel : Arrays.asList("bedrockify:cauldron_particles", "bedrockify:eat-particles")) //https://github.com/juancarloscp52/BedrockIfy (Bedrock features on Java, banned for reach-around block placement)
             channelRegisterHandlers.put(channel, player -> Chatter.disconnect(player).prefixless("MOD_YELLOW_SING", "bedrockify"));