Hi ryzhov_al,
I have found your post be very useful, but I have some questions about firewall-start.
In your post, you run the script
echo \#!/bin/sh > /jffs/scripts/firewall-start
echo iptables -t nat -A PREROUTING --source 192.168.0.101 -p tcp -m tcp --dport 80 -j REDIRECT --to-ports...