Operation Manual
86 
Ping of Death 
Specify the frequency of ping of death packets 
which will trigger the router’s DoS protection 
function. 
Discard Ping from 
WAN 
Check this box and the router will not answer 
ping requests from the Internet. 
Port Scan 
Intruders use “port scanners” to detect open 
Internet IP address ports. Check each type of 
port scan to prevent. 
Sync Flood 
Specify the frequency of sync flood packets 
which will trigger the DoS protection function. 










