Firewall Attack Alert for the ZyXEL ZyWALL 2Router Sceenshot

FIREWALL Summary Attack Alert The firewall is set by default to prevent attacks on your network. Any detected attacks will automatically generate a log entry. You can also choose to generate an alert whenever such an attack is detected. Generate alert when attack detected: Denial of Service Thresholds One Minute Low One Minute High Maximum Incomplete Low Maximum Incomplete High TCP Maximum Incomplete Blocking Period (min)