Bloqueando IP’s via iptables no servidor
Para bloquear:
sudo iptables -t filter -A FORWARD -d 0/0 -s IP -m mac –mac-source MAC_ADDRESS -j REJECT
Para liberar:
sudo iptables -t filter -D FORWARD -d 0/0 -s IP -m mac –mac-source MAC_ADDRESS -j ACCEPT
Bastando mudar IP e MAC_ADDRESS.
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