Axim X-108NX Manuale Utente Scaricare il pdf (Pagina 51)

CHAPTER7 SECURITY SETTINGS

7.1 FIREWALL SETUP

1. Click on [Security] – [Firewall] tab. You will see the following screen.

2. Configure Security Settings following the instructions below.

SPI Firewall Protection

Select Enable to enable SPI Firewall Protection.

Select Disable to disable SPI Firewall Protection.

TCP SYN DoS

Protection

Check to enable TCP SYN DoS Protection.

Uncheck to disable TCP SYN DoS Protection.

TCP SYN DoS attack sends a flood of TCP/SYN packets. Each of these

packets are like a connection request, causing the server to consume

computing resources (e.g. memory, CPU) to reply and to continuously wait

for the incoming packets. Without TCP SYN Dos Protection, the resources in

the server will be easily consumed completely. This will then consequently

result in the dysfunction of the server.

AXIMCom X-Router is able to detect TCP SYN DoS attacks and limits the

resource consumption by lowering the incoming request rate by fast

recycling the resource. Therefore, AXIMCom X-Router is still able to serve

normal traffic while it is under such an attack.

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Axim X-108NX Manuale Utente Pagina 51