Netgear FVS338 참조 매뉴얼

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Reference Manual for the ProSafe VPN Firewall 50 FVS338
Router and Network Management
9-7
January 2005
After a PC has finished using a Port Triggering application, there is a time-out period 
before the application can be used by another PC. This is required because the firewall 
cannot be sure when the application has terminated. 
 for the procedure on how to use this feature.
Exposed Hosts
The exposed host feature can only be used if your ISP has allocated you multiple fixed Internet IP 
addresses. 
In this situation, you can define a separate DMZ server for each internet IP address. 
All incoming traffic to that IP address will be sent to the selected PC. 
Out-going traffic from the selected PC will use the IP address you entered, not the default 
WAN IP address. 
 for the conditions when you can use exposed 
hosts in dual WAN port networks.
 for the procedure on how to use this feature.
VPN Tunnels
The VPN firewall permits up to 200 VPN tunnels at a time. Each tunnel requires extensive 
processing for encryption and authentication. 
” for the procedure on how to use this feature.
Using QoS to Shift the Traffic Mix
The QoS priority settings determine the priority and, in turn, the quality of service for the traffic 
passing through the firewall. The QoS is set individually for each service.
You can accept the default priority defined by the service itself by not changing its QoS 
setting.
Note: Exposed hosts are sometimes referred to as DMZ hosts. Unlike hardware-based 
DMZ ports, however, exposed hosts are implemented in software and do not enjoy the 
same level of firewall protection that hardware-based DMZ ports do. Use the exposed 
host feature at your own risk.