#!/bin/bash

#tail -f /var/log/messages | grep livetcpserver | grep ' SPT=' \
#sed -e 's/.*livetcpserver.* SRC=\([0-9\.]*\) .* SPT=\([0-9]*\) .*/\1 \2/' | ./logserver

OldIP=''
OldPort=''
while read IP Port ; do
	if [ "$OldIP" != "$IP" -o "$OldPort" != "$Port" ]; then		#Simple "uniq" approach
		echo "$IP" "$Port" >>tcpservers
		if [ -n "$Port" ]; then
			sudo iptables -I pasvmap -p tcp -s "$IP" --sport "$Port" -j RETURN
		else
			sudo iptables -I pasvmap -p tcp -s "$IP" -j RETURN
		fi
		OldIP="$IP"
		OldPort="$Port"
	fi
done