ZyXEL GS-1548 Manuel d'utilisateur télécharger pdf (Page 91)

Chapter 15 Auto Denial of Service (DoS)

GS-1524/GS-1548 User’s Guide

Figure 52 Advanced Auto DoS Attack Prevention

The following table describes the labels in this screen.

Table 31 Advanced Auto DoS Attack Prevention

LABEL DESCRIPTION

Global Click this link to view the Global Auto DoS Attack Prevention screen.

Port Select the port you want to configure or select Apply settings to all ports to

configure all the ports on the Switch.

Denial of

Service

Prevention

Select the types of attacks you want to prevent or choose Select All to prevent all

types of attacks and scans supported by the Switch. See Section 15.1.1 on page 89

for more information on specific types of attacks.

Parameter For Ping and SYN/SYN-ACK Flooding attacks you can specify thresholds for

triggering the dropping of packets by the Switch. Select:

• 64 kbps - the Switch will drop packets when the rate of incoming Ping or SYN/

SYN-ACK packets reaches this limit.

• 128 kbps - the Switch will drop packets when the rate of incoming Ping or SYN/

SYN-ACK packets reaches this limit.

Apply Click Apply to save your changes.

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ZyXEL GS-1548 Manuel d'utilisateur Page 91