diff --git a/gestion/gen_confs/firewall6.py b/gestion/gen_confs/firewall6.py
index 40a3c911..ec5ce83e 100755
--- a/gestion/gen_confs/firewall6.py
+++ b/gestion/gen_confs/firewall6.py
@@ -61,7 +61,7 @@ def ports(dev_ip6, dev_list):
     # http://netfilter.org/projects/iptables/files/changes-iptables-1.4.3.txt
 
     ip6tables.filter.forward('-i %s -p tcp --dport ssh -m state --state NEW -m recent --name SSH --set ' % dev_ip6)
-    ip6tables.filter.forward('-i %s -p tcp --dport ssh -m state --state NEW -m recent --name SSH --update --seconds 120 --hitcount 10 --rttl -j DROP' % dev_ip6)
+    ip6tables.filter.forward('-i %s -p tcp --dport ssh -m state --state NEW -m recent --name SSH --update --seconds 30 --hitcount 10 --rttl -j DROP' % dev_ip6)
     ip6tables.filter.input('-i %s -p tcp --dport ssh -m state --state NEW -m recent --name SSH --set ' % dev_ip6)
     ip6tables.filter.input('-i %s -p tcp --dport ssh -m state --state NEW -m recent --name SSH --update --seconds 120 --hitcount 10 --rttl -j DROP' % dev_ip6)
     #ip6tables.filter.forward('-i %s -p tcp --dport ssh -m state --state NEW -j ACCEPT' % dev_ip6)