Solve : ping's?

1.	Solve : ping's?
Answer» i have three PC's. i ASSIGN pc1 as a file server and PC2,pc3 as clients.... pc1 can ping ping pc2 and pc3 how come pc2 and pc3 cant ping to pc1? pls....help.... pc1 IP:192.168.100.1 subnet:255.255.255.0 pc2 IP:192.168.100.2 subnet:255.255.255.0 gateway:192.168.100.1 pc3 IP:192.168.100.3 subnet:255.255.255.0 gateway:192.168.100.1 were did i missed? help....pc1 has a FIREWALL installed. That firewall BLOCKS icmp (ping) messages.

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