Edimax RA21S User Manual page 79

Ping of Death
Discard Ping from
WAN
Port Scan
Sync Flood
Specify the frequency of ping of death packets
which will trigger the router's DoS protection
function.
Check this box and the router will not answer
ping requests from the Internet.
Intruders use "port scanners" to detect open
Internet IP address ports. Check each type of
port scan to prevent.
Specify the frequency of sync flood packets
which will trigger the DoS protection function.
75