ZyXEL Communications GS-1524 / GS-1548 Manual De Usuario

 Chapter 15 Auto Denial of Service (DoS)

GS-1524/GS-1548 User’s Guide

Use the Advanced Auto DoS Attack Prevention screen to configure DoS attack 
prevention settings for individual ports. Click the Advanced link in the Global 
Auto DoS Attack Prevention screen to view the following screen.

Figure 52   Advanced Auto DoS Attack Prevention 

The following table describes the labels in this screen. 

Table 31   Advanced Auto DoS Attack Prevention 

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 

 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.