diff --git a/cockpit/cockpit-installer.sh b/cockpit/cockpit-installer.sh
index eb9c187..81a9d31 100644
--- a/cockpit/cockpit-installer.sh
+++ b/cockpit/cockpit-installer.sh
@@ -174,6 +174,8 @@ cat > /etc/fail2ban/filter.d/cockpit.conf <<EOF
 failregex = ^.*cockpit.*authentication failure.*rhost=<HOST>.*$
             ^.*pam_unix.*cockpit.*authentication failure.*$
 ignoreregex =
+maxlines = 1
+allowipv6 = auto
 EOF
 
 systemctl enable fail2ban