Bloquear Ping no Servidor ( em linux )

Para bloquear a requisição de pacotes ICMP no seu servidor, basta entrar como root

# su root

depois execute o comando

echo "1" > /proc/sys/net/ipv4/icmp_echo_ignore_all

pronto agora não vai mais receber os pacotes em ICMP

Espero ter ajudado !

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