FTP

Liberando conexões FTP para as máquinas da rede

iptables -A FORWARD -s 192.168.0.0/24 -p tcp --dport 20 -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT

iptables -A FORWARD -s 192.168.0.0/24 -p tcp --dport 21 -m state --state NEW,RELATED,ESTABLISHED -j ACCEPT

iptables -A FORWARD -s 192.168.0.0/24 -m state --state RELATED,ESTABLISHED -j ACCEPT

Carregue os módulos de acompanhamento de conexão para o serviço FTP

modprobe ip_nat_ftp

modprobe ip_conntrack_ftp