IPTABLES

[swap]

iptables -A FORWARD -p icmp --icmp-type echo-request -j DROP
iptables -A INPUT -i eth0 -m state -p icmp --state INVALID -j DROP
iptables -A FORWARD -i eth0 -m state -p icmp --state INVALID -j DROP
iptables -A OUTPUT -o eth0 -m state -p icmp --state INVALID -j DROP
iptables -A FORWARD -o eth0 -m state -p icmp --state INVALID -j DROP
iptables -A INPUT -i eth0 -p tcp ! --syn -m state --state NEW -j DROP
iptables -A INPUT -i eth0 -p tcp --tcp-flags ALL ACK,RST,SYN,FIN -j DROP
iptables -A INPUT -i eth0 -p tcp --tcp-flags SYN,FIN SYN,FIN -j DROP
iptables -A INPUT -i eth0 -p tcp --tcp-flags SYN,RST SYN,RST -j DROP


Gostaria de saber o que significa cada uma dessas regras, alguem saberia me dizer?

[humpback]

man iptables.
_________________
Gustavo Felisberto
Humpback @ #gentoo-pt
------------
It's most certainly GNU/Linux, not Linux. Read more at
http://www.gnu.org/gnu/why-gnu-linux.html .
-------------

[Enderson]