ZyXEL Communications P-335WT User Manual

P-335 Series User’s Guide

Chapter 10 Firewall

148

Figure 76   General

The following table describes the labels in this screen. 

Table 62   General

Enable Firewall

Select this check box to activate the firewall. The Prestige performs access control 

and protects against Denial of Service (DoS) attacks when the firewall is activated.

Bypass Triangle 

Route

Select this check box to have the Prestige firewall ignore the use of triangle route 

topology on the network. See the appendix for more on triangle route topology.

Max NAT/Firewall 

Session Per User

Type a number ranging from 1 to 2048 to limit the number of NAT/firewall sessions 

that a host can create.

LAN to WAN

To log packets related to firewall rules, make sure that Access Control under Log 

is selected in the Logs, Log Settings screen. 

Log

Choose what LAN to WAN packets to log. Choose from:
No Log 
Log Blocked (blocked LAN to WAN services appear in the Blocked Services 

textbox in the Services screen (with Enable Services Blocking selected)) 
Log All (log all LAN to WAN packets) 

WAN to LAN

To log packets related to firewall rules, make sure that Access Control under Log 

is selected in the Logs, Log Settings screen.

Log

Choose what WAN to LAN and WAN to WAN/Prestige packets to log. Choose 

from:
No Log 
Log Forwarded (see how to forward WAN to LAN traffic in the next section) 
Log All (log all WAN to LAN packets). 

Apply

Click Apply to save the settings. 

Reset

Click Reset to start configuring this screen again. 

Click the Firewall link under Security and the Services tab. The screen appears as shown 
next. Use this screen to enable service blocking, enter/delete/modify the services you want to 
block and the date/time you want to block them.