diff --git a/iptables/jail.local b/iptables/jail.local
index 2b8edae..7ac601d 100644
--- a/iptables/jail.local
+++ b/iptables/jail.local
@@ -2,7 +2,7 @@
 ignoreip = 127.0.0.1/8
 
 # "bantime" is the number of seconds that a host is banned.
-bantime  = 600
+bantime  = 1200
 
 # A host is banned if it has generated "maxretry" during the last "findtime"
 # seconds.