ZyXEL Communications Corporation VSG1435B101 Manuel D’Utilisation

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Chapter 16 Firewall
VSG1435-B101 Series User’s Guide
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16.4  The Access Control Screen
Click Security Settings > Firewall > Access Control to display the following 
screen. This screen displays a list of the configured incoming or outgoing filtering 
rules. 
Figure 96   Security Settings > Firewall > Access Control 
The following table describes the labels in this screen. 
Ports/
Protocol 
Number
For TCPUDPICMP, or TCP/UDP protocol rules this shows the port 
number or range that defines the custom service. For other IP protocol 
rules this shows the protocol number. 
Modify
Click the Delete icon to remove the rule.
Service 
Name
Enter a unique name (up to 32 printable English keyboard characters, 
including spaces) for your customized port. 
Service 
Description
Enter a description for your customized port.
Apply
Click Apply to save your changes.
Cancel
Click Cancel to exit this screen without saving.
Table 67   Security Settings > Firewall > Protocol > Add
LABEL
DESCRIPTION
Table 68   Security Settings > 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.
Name
This displays the name of the rule.