User's Manual

Enterprise 5-Port 10/100/1000T VPN Security Router
VR-300 series
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SPI Firewall
The SPI Firewall prevents attack and improper access to network
resources.
The default configuration is enabled.
Block SYN Flood
SYN Flood is a popular attack way. DoS and DDoS are TCP
protocols. Hackers like using this method to make a fake connection
that involves the CPU, memory, and so on.
The default configuration is enabled.
Block ICMP Flood
ICMP is kind of a pack of TCP/IP; its important function is to transfer
simple signal on the Internet. There are two normal attack ways
which hackers like to use, Ping of Death and Smurf attack.
The default configuration is disabled.
Block WAN Ping
Enable the function to allow the Ping access from the Internet
network.
The default configuration is disabled.
Remote Management
Enable the function to allow the web server access of the router from
the Internet network.
The default configuration is disabled.
Next
Press this button for the next step.
Previous
Press this button for the previous step.
Cancel
Press this button to undo any changes made locally and revert to
previously saved values.
Step 5: Setup Completed
The page will show the summary of LAN, WAN and Security settings as shown in Figure 4-13.