ZyXEL VMG4325 User Guide - Page 216

Chapter 15 Firewall The following table describes the labels in this screen. Table 78 Security > Firewall > Access Control LABEL DESCRIPTION DoS Protection 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. Select the Enable check box to enable protection against DoS attacks. Add new ACL rule Click this to go to add a filter rule for incoming or outgoing IP traffic. # This is the index number of the entry. Name This displays the name of the rule. Src IP This displays the source IP addresses to which this rule applies. Please note that a blank source address is equivalent to Any. Dst IP This displays the destination IP addresses to which this rule applies. Please note that a blank destination address is equivalent to Any. Service Action Modify This displays the transport layer protocol that defines the service and the direction of traffic to which this rule applies. This field displays whether the rule silently discards packets (DROP), discards packets and sends a TCP reset packet or an ICMP destination-unreachable message to the sender (REJECT) or allows the passage of packets (ACCEPT). Click the Edit icon to edit the rule. Click the Delete icon to delete an existing rule. Note that subsequent rules move up by one when you take this action. Click the Move To icon to change the order of the rule. Enter the number in the # field. 216 VMG4380-B10A / VMG4325-B10A User's Guide