(Suitable for internal LAN protection, small company security protection, and blocking DoS attacks: TearDrop, Land, Jolt, IGMPNuker, Boink, Smurf, Bonk, BigPing, OOB, etc. Hundreds of DoS denial of service attacks Resist ddo.s attacks: SYNFlood, ACKFlood, UDPFlood ICMPFlood, TCPFlood, CC multi-connection and other popular d.dos distributed denial of service attacks Other security features: ARP fraud protection, port closure, IP non-list, logging, etc.)