What is WAN blocking in router?

WAN Blocking – Prevents Internet Control Message Protocol (ICMP) pings to the Wide Area Network (WAN) side of the SBG6580. … Multicast Enable – Allows multicast-specific traffic to be passed to and from PCs on the private network.

Should I block WAN Ping on my router?

Ping may make your IP exposed to hackers’ attack. Hackers usually scan the IP addresses from the internet before launching attack. … Thus, set to ignore Ping Packets from WAN Port can hide our devices from hackers’ targets.