Block WAN Ping
When you “Block WAN Ping”, you are causing the public WAN IP address on the Broadband Router to not respond to ping commands. Pinging public WAN IP addresses is a common method used by hackers to test whether your WAN IP address is valid.
Discard PING from WAN side: By enabling this option, the
VPN Pass-Through
The Broadband Router supports VPN (Virtual Private Network)