Configura delle regole semplici ma efficaci per il firewallPer usare la porta 21 ftp bisogna usare il passive mode...E per lanciarlo all avvio basta lanciarlo con il file rc.local richiamandolo...Nello script c'è scritto come fare!By FrankRock.it
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http://yorik.uncreated.net/linuxstuff.html find: Simple firewall #!/bin/sh # Cleans the iptables iptables -F # Enables internet connection sharing modprobe iptable_nat iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE echo 1 > /proc/sys/net/ipv4/ip_forward # Opens some ports (22=SSH, 1080=Socks) iptables -A INPUT -p tcp --destination-port 22 -j ACCEPT iptables -A INPUT -p tcp --destination-port 1080 -j ACCEPT # Opens local network iptables -A INPUT -p tcp --syn -s 192.168.0.0/255.255.255.0 -j ACCEPT # Closes everything else iptables -A INPUT -p tcp --syn -j DROP
english please