diff --git a/core/aimedb.py b/core/aimedb.py
index 19d6b6a..4cd2c8c 100644
--- a/core/aimedb.py
+++ b/core/aimedb.py
@@ -67,11 +67,15 @@ class AimedbServlette():
             decrypted = cipher.decrypt(data)
         
         except Exception as e:
-            self.logger.warning("Failed to decrypt %s because %s", data.hex(), e)
+            self.logger.debug("Failed to decrypt %s because %s", data.hex(), e)
             return
 
         self.logger.debug("%s wrote %s", addr, decrypted.hex())
 
+        if decrypted[0] != 0x3E or decrypted[1] != 0xA1:
+            self.logger.debug("Ignoring request with invalid magic bytes")
+            return
+
         try:
             head = ADBHeader.from_data(decrypted)