ZyXEL SBG3300-N Series User Guide - Page 187
The DoS Screen
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Chapter 14 Firewall Table 77 Access Control: Add/Edit (continued) LABEL Enable Rate Limit DESCRIPTION Select this check box to set a limit on the upstream/downstream transmission rate for the specified protocol. Specify how many packets per minute or second the transmission rate is. Scheduler Rules Select a schedule rule for this ACL rule form the drop-down list box. You can configure a new schedule rule by click Add New Rule. This will bring you to the Security > Scheduler Rules screen. Filter Description Enter a description to help you identify the purpose of the ACL rule. Apply Click Apply to save your changes. Cancel Click Cancel to exit this screen without saving. 14.5 The DoS Screen DoS (Denial of Service) attacks can flood your Internet connection with invalid packets and connection requests, using so much bandwidth and so many resources that Internet access becomes unavailable. Use the DoS screen to activate protection against DoS attacks. Click Security > Firewall > DoS to display the following screen. Figure 104 Security > Firewall > DoS The following table describes the labels in this screen. Table 78 Security > Firewall > DoS LABEL DESCRIPTION DoS Protection Select Enable to enable protection against DoS attacks. Blocking Deny Ping Response Select Enable to block ping request packets. Apply Click Apply to save your changes. Cancel Click Cancel to exit this screen without saving. SBG3300-N Series User's Guide 187
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