پاسخ : بستن پورت در روتر
کد:/ip firewall filter add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=21 add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=25 add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=80 add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=110 add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=443 add chain=forward disabled=no action=accept in-interface=ether1 protocol=tcp dst-port=8080
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