diff --git a/dht/dht.go b/dht/dht.go
index 737449e5..1bdb9ab5 100644
--- a/dht/dht.go
+++ b/dht/dht.go
@@ -572,6 +572,9 @@ func (s *Server) serve() error {
 			logonce.Stderr.Printf("received dht packet exceeds buffer size")
 			continue
 		}
+		if s.ipBlocked(util.AddrIP(addr)) {
+			continue
+		}
 		s.processPacket(b[:n], newDHTAddr(addr))
 	}
 }