More fun with Netfilter

So, you've just got your fast Cable or DSL connection and now you need a firewall to protect you? No problem.

Your basic firewall will tend to look something like this:

#accept now, deny and log later
iptables -P INPUT ACCEPT

#accept traffic from the lan
iptables -A INPUT -s 192.168.1.0/24 -j ACCEPT

#take advantage of connection

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