diff --git a/gestion/gen_confs/firewall.py b/gestion/gen_confs/firewall.py
index 10d2ffe5..02bf8e1e 100644
--- a/gestion/gen_confs/firewall.py
+++ b/gestion/gen_confs/firewall.py
@@ -113,7 +113,7 @@ class firewall_crans :
 
     limit = " -m limit --limit 10/s --limit-burst 10 "
     log_template = '-m limit --limit 1/s --limit-burst 1 -j LOG --log-level notice --log-prefix '
-    filtre_flood =  '-m hashlimit --hashlimit 20 --hashlimit-mode srcip --hashlimit-name flood'
+    filtre_flood =  '-m hashlimit --hashlimit 20/second --hashlimit-mode srcip,dstip,dstport --hashlimit-name flood'
 
     machines = []
     debug = 1