add in-memory client iptables
diff --git a/plugins/configuration.py b/plugins/configuration.py
index 0dd8455..84921e7 100644
--- a/plugins/configuration.py
+++ b/plugins/configuration.py
@@ -46,6 +46,7 @@
         self.elasticsearch = elasticsearch.AsyncElasticsearch(hosts=[self.elasticsearch_url])
         self.http_ip = yml.get("bind_ip", "127.0.0.1")
         self.http_port = int(yml.get("bind_port", 8080))
+        self.client_iptables = {}  # Uploaded iptables from blocky clients. Only kept in memory.
 
         # Create table if not there yet
         new_db = False