...-A INPUT -s 192.168.0.2/24 -j ACCEPT -A INPUT -p icmp -m icmp --icmp-type 3/4 -j ACCEPT -A INPUT -p icmp -m icmp -j DROP
$ /etc/init.d/iptables restart
After I have done these, I still can ping my m/c from other m/c. :( What's wrong?
The "other m/c" in the 192.168.0.2/24 net (which you've explicitly granted all access to)?
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