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DNS.md
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DNS SEGURO NO LINUX
nano -w /etc/resolv.conf
Substitua tudo o que estiver no nameserver por:
#QUAD9 - O DNS MAIS SEGURO
nameserver 9.9.9.9
nameserver 149.112.112.112
SALVE
BLOQUEIE ALTERAÇÕES NO ARQUIVO:
chattr +i /etc/resolv.conf