Stopping malicious web spiders and Windows exploits with iptables
Tuesday, September 18th, 2001 at 12:00 am
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Stop it cold
Change your logfile names to suit.
#!/bin/sh
##For whatever they're calling this one now
for LUSER in `grep "winnt" error.log | awk '{print $8}' |
sed -e s/]//`; do
if [ ! "`/sbin/iptables -L -n | grep $LUSER`" ]; then
echo "Banning $LUSER with iptables";
/sbin/iptables -A INPUT -s $LUSER -d 0/0 -j DROP
fi
done
##For our friend CodeRed
for LUSER in `grep "default.ida" access.log |
awk '{print $1}' | sed -e s/]//`; do
if [ ! "`/sbin/iptables -L -n | grep $LUSER`" ]; then
echo "Banning $LUSER with iptables";
/sbin/iptables -A INPUT -s $LUSER -d 0/0 -j DROP
fi
done