ZyXEL Communications VWG1312-B10A User Manual page 224

Chapter 15 Firewall
The following table describes the labels in this screen.
Table 75 Security > Firewall > Access Control
LABEL
DoS Protection
Add new ACL
rule
#
Name
Src IP
Dst IP
Service
Action
Modify
224
DESCRIPTION
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.
Click this to go to add a filter rule for incoming or outgoing IP traffic.
This is the index number of the entry.
This displays the name of the rule.
This displays the source IP addresses to which this rule applies. Please note that a blank
source address is equivalent to Any.
This displays the destination IP addresses to which this rule applies. Please note that a
blank destination address is equivalent to Any.
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.
VMG1312-B10A User's Guide