IOGear GWA504 Manual - Manual (Page 64)

Miscellaneous
WAN ICMP Blocking
When this feature is enabled, any host on the WAN
cannot ping this product.
SPI Mode
When this feature is enabled, the router will record
the packet information pass through the router like
IP address, port address, ACK, SEQ number and so
on. And the router will check every incoming packet
to detect if this packet is valid.
DoS Attack Detection
When this feature is enabled, the router will detect
and log the DoS attack comes from the Internet.
Currently, the router can detect the following DoS
attack: SYN Attack, WinNuke, Port Scan, Ping of
Death, Land Attack etc.
Configuration Utility
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