User's Manual

Industrial VPN Security Gateway
IVR-100_IVR-300 Series
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Object
Description
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 to use 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 Gateway from
the Internet network.
The default configuration is disabled.
Step 6: Setup Completed
The page will show the summary of LAN, WAN and Security settings. The setup is shown below.
Figure: Setup Wizard – Setup Completed