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dropcall
2003 May 15
0
My iptables (RH 7.2) firewall included
...rewall chain
#We use the limit commands to cap the rate at which it alerts to 15
#log messages per minute
$IPTABLES -N firewall
$IPTABLES -A firewall -m limit --limit 3/minute --limit-burst 3 -j LOG --log-level notice --log-prefix "Netfilter in: "
$IPTABLES -A firewall -j DROP
#Now, our dropwall chain, for the final catchall filter
$IPTABLES -N dropwall
$IPTABLES -A dropwall -m limit --limit 3/minute --limit-burst 3 -j LOG --log-level notice --log-prefix "Netfilter in: "
$IPTABLES -A dropwall -j DROP
#Our "hey, them's some bad tcp flags!" chain
$IPTABLES -N badfl...