Iptables

IPTState - View the current connection status
To display the current IPTables connection status. iptstate

Send Iptables Log Messages to a Different file
touch /var/log/iptables.log echo "kern.warning /var/log/iptables.log" >> /etc/syslog.conf /etc/init.d/syslog restart
 * http://www.cipherdyne.com/psad/
 * http://l7-filter.sourceforge.net/